157550072 has 32 divisors (see below), whose sum is σ = 298890000. Its totient is φ = 77852928.

The previous prime is 157550053. The next prime is 157550077. The reversal of 157550072 is 270055751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157550077) 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, 385004 + ... + 385412.

Almost surely, 2^157550072 is an apocalyptic number.

It is an amenable number.

157550072 is a deficient number, since it is larger than the sum of its proper divisors (141339928).

157550072 is a wasteful number, since it uses less digits than its factorization.

157550072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863 (or 859 counting only the distinct ones).

The product of its (nonzero) digits is 12250, while the sum is 32.

The square root of 157550072 is about 12551.8951557125. The cubic root of 157550072 is about 540.0983725675.

The spelling of 157550072 in words is "one hundred fifty-seven million, five hundred fifty thousand, seventy-two".