157398528 has 80 divisors (see below), whose sum is σ = 479255040. Its totient is φ = 44967936.

The previous prime is 157398517. The next prime is 157398539. The reversal of 157398528 is 825893751.

It is an interprime number because it is at equal distance from previous prime (157398517) and next prime (157398539).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3433 + ... + 18071.

It is an arithmetic number, because the mean of its divisors is an integer number (5990688).

Almost surely, 2^157398528 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 157398528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239627520).

157398528 is an abundant number, since it is smaller than the sum of its proper divisors (321856512).

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

157398528 is an equidigital number, since it uses as much as digits as its factorization.

157398528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14667 (or 14651 counting only the distinct ones).

The product of its digits is 604800, while the sum is 48.

The square root of 157398528 is about 12545.8570054022. The cubic root of 157398528 is about 539.9251473751.

The spelling of 157398528 in words is "one hundred fifty-seven million, three hundred ninety-eight thousand, five hundred twenty-eight".