157226308 has 24 divisors (see below), whose sum is σ = 282956184. Its totient is φ = 76396800.

The previous prime is 157226299. The next prime is 157226309. The reversal of 157226308 is 803622751.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8191044 + 149035264 = 2862^2 + 12208^2 .

It is a super-2 number, since 2×157226308² = 49440223854621728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157226309) by changing a digit.

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, 43698 + ... + 47158.

It is an arithmetic number, because the mean of its divisors is an integer number (11789841).

Almost surely, 2^157226308 is an apocalyptic number.

It is an amenable number.

157226308 is a deficient number, since it is larger than the sum of its proper divisors (125729876).

157226308 is a wasteful number, since it uses less digits than its factorization.

157226308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3783 (or 3781 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 157226308 is about 12538.9915064968. The cubic root of 157226308 is about 539.7281530645.

The spelling of 157226308 in words is "one hundred fifty-seven million, two hundred twenty-six thousand, three hundred eight".