10143456 has 48 divisors (see below), whose sum is σ = 26835984. Its totient is φ = 3354624.

The previous prime is 10143451. The next prime is 10143467. The reversal of 10143456 is 65434101.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10143451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14736 + ... + 15408.

It is an arithmetic number, because the mean of its divisors is an integer number (559083).

Almost surely, 2^10143456 is an apocalyptic number.

10143456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10143456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13417992).

10143456 is an abundant number, since it is smaller than the sum of its proper divisors (16692528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10143456 is a wasteful number, since it uses less digits than its factorization.

10143456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843 (or 835 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 10143456 is about 3184.8792755770. The cubic root of 10143456 is about 216.4688034528.

Adding to 10143456 its reverse (65434101), we get a palindrome (75577557).

It can be divided in two parts, 1014 and 3456, that multiplied together give a square (3504384 = 1872²).

The spelling of 10143456 in words is "ten million, one hundred forty-three thousand, four hundred fifty-six".