157330481 has 16 divisors (see below), whose sum is σ = 202919040. Its totient is φ = 118366080.

The previous prime is 157330477. The next prime is 157330483. The reversal of 157330481 is 184033751.

It is not a de Polignac number, because 157330481 - 2² = 157330477 is a prime.

It is a super-2 number, since 2×157330481² = 49505760503382722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157330483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32996 + ... + 37461.

It is an arithmetic number, because the mean of its divisors is an integer number (12682440).

Almost surely, 2^157330481 is an apocalyptic number.

157330481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

157330481 is a deficient number, since it is larger than the sum of its proper divisors (45588559).

157330481 is a wasteful number, since it uses less digits than its factorization.

157330481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70504.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 157330481 is about 12543.1447811145. The cubic root of 157330481 is about 539.8473288109.

The spelling of 157330481 in words is "one hundred fifty-seven million, three hundred thirty thousand, four hundred eighty-one".