157491036 has 36 divisors (see below), whose sum is σ = 410947264. Its totient is φ = 50803200.

The previous prime is 157491023. The next prime is 157491073. The reversal of 157491036 is 630194751.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69445 + ... + 71676.

Almost surely, 2^157491036 is an apocalyptic number.

It is an amenable number.

157491036 is an abundant number, since it is smaller than the sum of its proper divisors (253456228).

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

157491036 is a wasteful number, since it uses less digits than its factorization.

157491036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141162 (or 141157 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 157491036 is about 12549.5432586210. The cubic root of 157491036 is about 540.0309035812.

The spelling of 157491036 in words is "one hundred fifty-seven million, four hundred ninety-one thousand, thirty-six".