157128 has 16 divisors (see below), whose sum is σ = 392880. Its totient is φ = 52368.

The previous prime is 157127. The next prime is 157133. The reversal of 157128 is 821751.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 6547 = 157128 / (1 + 5 + 7 + 1 + 2 + 8).

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 157098 and 157107.

It is not an unprimeable number, because it can be changed into a prime (157127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3250 + ... + 3297.

It is an arithmetic number, because the mean of its divisors is an integer number (24555).

2¹⁵⁷¹²⁸ is an apocalyptic number.

It is an amenable number.

157128 is an abundant number, since it is smaller than the sum of its proper divisors (235752).

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

157128 is a wasteful number, since it uses less digits than its factorization.

157128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6556 (or 6552 counting only the distinct ones).

The product of its digits is 560, while the sum is 24.

The square root of 157128 is about 396.3937436439. The cubic root of 157128 is about 53.9615638693.

Adding to 157128 its reverse (821751), we get a palindrome (978879).

The spelling of 157128 in words is "one hundred fifty-seven thousand, one hundred twenty-eight".