157643496 has 80 divisors (see below), whose sum is σ = 448261440. Its totient is φ = 51749280.

The previous prime is 157643489. The next prime is 157643503. The reversal of 157643496 is 694346751.

157643496 is a `hidden beast` number, since 157 + 6 + 4 + 3 + 496 = 666.

157643496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (157643489) and next prime (157643503).

It is a super-2 number, since 2×157643496² = 49702943662204032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 41601 + ... + 45231.

It is an arithmetic number, because the mean of its divisors is an integer number (5603268).

Almost surely, 2^157643496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157643496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224130720).

157643496 is an abundant number, since it is smaller than the sum of its proper divisors (290617944).

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

157643496 is a wasteful number, since it uses less digits than its factorization.

157643496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3716 (or 3703 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 157643496 is about 12555.6161139149. The cubic root of 157643496 is about 540.2051072698.

The spelling of 157643496 in words is "one hundred fifty-seven million, six hundred forty-three thousand, four hundred ninety-six".