143131072 has 28 divisors (see below), whose sum is σ = 324601840. Its totient is φ = 61341696.

The previous prime is 143131069. The next prime is 143131073. The reversal of 143131072 is 270131341.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143131073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159297 + ... + 160192.

Almost surely, 2^143131072 is an apocalyptic number.

It is an amenable number.

143131072 is an abundant number, since it is smaller than the sum of its proper divisors (181470768).

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

143131072 is an equidigital number, since it uses as much as digits as its factorization.

143131072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319508 (or 319498 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 143131072 is about 11963.7398834980. The cubic root of 143131072 is about 523.0918753955.

The spelling of 143131072 in words is "one hundred forty-three million, one hundred thirty-one thousand, seventy-two".