157147908 has 12 divisors (see below), whose sum is σ = 366678480. Its totient is φ = 52382632.

The previous prime is 157147873. The next prime is 157147909. The reversal of 157147908 is 809741751.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 157147908.

It is not an unprimeable number, because it can be changed into a prime (157147909) 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 3 ways as a sum of consecutive naturals, for example, 6547818 + ... + 6547841.

It is an arithmetic number, because the mean of its divisors is an integer number (30556540).

Almost surely, 2^157147908 is an apocalyptic number.

It is an amenable number.

157147908 is an abundant number, since it is smaller than the sum of its proper divisors (209530572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157147908 is a wasteful number, since it uses less digits than its factorization.

157147908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13095666 (or 13095664 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 42.

The square root of 157147908 is about 12535.8648684484. The cubic root of 157147908 is about 539.6384273628.

The spelling of 157147908 in words is "one hundred fifty-seven million, one hundred forty-seven thousand, nine hundred eight".