157516228 has 6 divisors (see below), whose sum is σ = 275653406. Its totient is φ = 78758112.

The previous prime is 157516217. The next prime is 157516243. The reversal of 157516228 is 822615751.

It can be written as a sum of positive squares in only one way, i.e., 132894784 + 24621444 = 11528^2 + 4962^2 .

It is a super-2 number, since 2×157516228² = 49622724166695968, which contains 22 as substring.

It is an unprimeable number.

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, 19689525 + ... + 19689532.

Almost surely, 2^157516228 is an apocalyptic number.

It is an amenable number.

157516228 is a deficient number, since it is larger than the sum of its proper divisors (118137178).

157516228 is a wasteful number, since it uses less digits than its factorization.

157516228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39379061 (or 39379059 counting only the distinct ones).

The product of its digits is 33600, while the sum is 37.

The square root of 157516228 is about 12550.5469203537. The cubic root of 157516228 is about 540.0596961896.

The spelling of 157516228 in words is "one hundred fifty-seven million, five hundred sixteen thousand, two hundred twenty-eight".