157947308 has 12 divisors (see below), whose sum is σ = 276612000. Its totient is φ = 78915312.

The previous prime is 157947287. The next prime is 157947313. The reversal of 157947308 is 803749751.

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 3 ways as a sum of consecutive naturals, for example, 8183 + ... + 19566.

It is an arithmetic number, because the mean of its divisors is an integer number (23051000).

Almost surely, 2^157947308 is an apocalyptic number.

It is an amenable number.

157947308 is a deficient number, since it is larger than the sum of its proper divisors (118664692).

157947308 is a wasteful number, since it uses less digits than its factorization.

157947308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29176 (or 29174 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 157947308 is about 12567.7089399779. The cubic root of 157947308 is about 540.5519139977.

The spelling of 157947308 in words is "one hundred fifty-seven million, nine hundred forty-seven thousand, three hundred eight".