157328 has 10 divisors (see below), whose sum is σ = 304854. Its totient is φ = 78656.

The previous prime is 157327. The next prime is 157349. The reversal of 157328 is 823751.

It can be written as a sum of positive squares in only one way, i.e., 135424 + 21904 = 368^2 + 148^2 .

It is a junction number, because it is equal to n+sod(n) for n = 157297 and 157306.

It is not an unprimeable number, because it can be changed into a prime (157321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4901 + ... + 4932.

2¹⁵⁷³²⁸ is an apocalyptic number.

It is an amenable number.

157328 is a deficient number, since it is larger than the sum of its proper divisors (147526).

157328 is an equidigital number, since it uses as much as digits as its factorization.

157328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9841 (or 9835 counting only the distinct ones).

The product of its digits is 1680, while the sum is 26.

The square root of 157328 is about 396.6459378337. The cubic root of 157328 is about 53.9844491115.

It can be divided in two parts, 1573 and 28, that multiplied together give a palindrome (44044).

The spelling of 157328 in words is "one hundred fifty-seven thousand, three hundred twenty-eight".