143446480 has 20 divisors (see below), whose sum is σ = 333513252. Its totient is φ = 57378560.

The previous prime is 143446477. The next prime is 143446481. The reversal of 143446480 is 84644341.

It can be written as a sum of positive squares in 2 ways, for example, as 53348416 + 90098064 = 7304^2 + 9492^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143446481) 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 3 ways as a sum of consecutive naturals, for example, 896461 + ... + 896620.

Almost surely, 2^143446480 is an apocalyptic number.

143446480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143446480 is an abundant number, since it is smaller than the sum of its proper divisors (190066772).

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

143446480 is a wasteful number, since it uses less digits than its factorization.

143446480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793094 (or 1793088 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 143446480 is about 11976.9144607449. The cubic root of 143446480 is about 523.4758272462.

The spelling of 143446480 in words is "one hundred forty-three million, four hundred forty-six thousand, four hundred eighty".