157404208 has 40 divisors (see below), whose sum is σ = 345724400. Its totient is φ = 68822784.

The previous prime is 157404197. The next prime is 157404211. The reversal of 157404208 is 802404751.

It is a super-2 number, since 2×157404208² = 49552169392214528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 157404208.

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 in 7 ways as a sum of consecutive naturals, for example, 15963 + ... + 23866.

It is an arithmetic number, because the mean of its divisors is an integer number (8643110).

Almost surely, 2^157404208 is an apocalyptic number.

It is an amenable number.

157404208 is an abundant number, since it is smaller than the sum of its proper divisors (188320192).

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

157404208 is a wasteful number, since it uses less digits than its factorization.

157404208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39869 (or 39863 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 157404208 is about 12546.0833729097. The cubic root of 157404208 is about 539.9316420100.

Adding to 157404208 its reverse (802404751), we get a palindrome (959808959).

The spelling of 157404208 in words is "one hundred fifty-seven million, four hundred four thousand, two hundred eight".