157808284 has 12 divisors (see below), whose sum is σ = 278019000. Its totient is φ = 78374288.

The previous prime is 157808269. The next prime is 157808291. The reversal of 157808284 is 482808751.

It is a self number, because there is not a number n which added to its sum of digits gives 157808284.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131794 + ... + 132985.

It is an arithmetic number, because the mean of its divisors is an integer number (23168250).

Almost surely, 2^157808284 is an apocalyptic number.

It is an amenable number.

157808284 is a deficient number, since it is larger than the sum of its proper divisors (120210716).

157808284 is a wasteful number, since it uses less digits than its factorization.

157808284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264932 (or 264930 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 43.

The square root of 157808284 is about 12562.1767222086. The cubic root of 157808284 is about 540.3932709039.

The spelling of 157808284 in words is "one hundred fifty-seven million, eight hundred eight thousand, two hundred eighty-four".