157338436 has 6 divisors (see below), whose sum is σ = 275342270. Its totient is φ = 78669216.

The previous prime is 157338431. The next prime is 157338437. The reversal of 157338436 is 634833751.

It can be written as a sum of positive squares in only one way, i.e., 150209536 + 7128900 = 12256^2 + 2670^2 .

It is not an unprimeable number, because it can be changed into a prime (157338431) 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 as a sum of consecutive naturals, namely, 19667301 + ... + 19667308.

Almost surely, 2^157338436 is an apocalyptic number.

It is an amenable number.

157338436 is a deficient number, since it is larger than the sum of its proper divisors (118003834).

157338436 is a wasteful number, since it uses less digits than its factorization.

157338436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39334613 (or 39334611 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The square root of 157338436 is about 12543.4618825905. The cubic root of 157338436 is about 539.8564273088.

The spelling of 157338436 in words is "one hundred fifty-seven million, three hundred thirty-eight thousand, four hundred thirty-six".