157047836 has 36 divisors (see below), whose sum is σ = 319876704. Its totient is φ = 67182720.

The previous prime is 157047833. The next prime is 157047871. The reversal of 157047836 is 638740751.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 157047793 and 157047802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157047833) 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 11 ways as a sum of consecutive naturals, for example, 1316 + ... + 17771.

It is an arithmetic number, because the mean of its divisors is an integer number (8885464).

Almost surely, 2^157047836 is an apocalyptic number.

It is an amenable number.

157047836 is an abundant number, since it is smaller than the sum of its proper divisors (162828868).

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

157047836 is a wasteful number, since it uses less digits than its factorization.

157047836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19130 (or 19117 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 157047836 is about 12531.8728049721. The cubic root of 157047836 is about 539.5238555464.

The spelling of 157047836 in words is "one hundred fifty-seven million, forty-seven thousand, eight hundred thirty-six".