157641288 has 32 divisors (see below), whose sum is σ = 450404160. Its totient is φ = 45040320.

The previous prime is 157641283. The next prime is 157641301. The reversal of 157641288 is 882146751.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (157641283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469003 + ... + 469338.

It is an arithmetic number, because the mean of its divisors is an integer number (14075130).

Almost surely, 2^157641288 is an apocalyptic number.

It is an amenable number.

157641288 is an abundant number, since it is smaller than the sum of its proper divisors (292762872).

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

157641288 is a wasteful number, since it uses less digits than its factorization.

157641288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938357 (or 938353 counting only the distinct ones).

The product of its digits is 107520, while the sum is 42.

The square root of 157641288 is about 12555.5281848276. The cubic root of 157641288 is about 540.2025851688.

The spelling of 157641288 in words is "one hundred fifty-seven million, six hundred forty-one thousand, two hundred eighty-eight".