157338746 has 16 divisors (see below), whose sum is σ = 245940840. Its totient is φ = 75398400.

The previous prime is 157338737. The next prime is 157338761. The reversal of 157338746 is 647833751.

It can be written as a sum of positive squares in 4 ways, for example, as 88266025 + 69072721 = 9395^2 + 8311^2 .

It is a junction number, because it is equal to n+sod(n) for n = 157338697 and 157338706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1955 + ... + 17846.

Almost surely, 2^157338746 is an apocalyptic number.

157338746 is a deficient number, since it is larger than the sum of its proper divisors (88602094).

157338746 is a wasteful number, since it uses less digits than its factorization.

157338746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19969.

The product of its digits is 423360, while the sum is 44.

The square root of 157338746 is about 12543.4742396196. The cubic root of 157338746 is about 539.8567818638.

The spelling of 157338746 in words is "one hundred fifty-seven million, three hundred thirty-eight thousand, seven hundred forty-six".