45143800 has 96 divisors (see below), whose sum is σ = 114836400. Its totient is φ = 16404480.

The previous prime is 45143797. The next prime is 45143809. The reversal of 45143800 is 834154.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45143809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252111 + ... + 252289.

Almost surely, 2^45143800 is an apocalyptic number.

45143800 is a gapful number since it is divisible by the number (40) 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 45143800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57418200).

45143800 is an abundant number, since it is smaller than the sum of its proper divisors (69692600).

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

45143800 is a wasteful number, since it uses less digits than its factorization.

45143800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 45143800 is about 6718.9136026593. The cubic root of 45143800 is about 356.0678025972.

Adding to 45143800 its reverse (834154), we get a palindrome (45977954).

The spelling of 45143800 in words is "forty-five million, one hundred forty-three thousand, eight hundred".