157794284 has 12 divisors (see below), whose sum is σ = 279636000. Its totient is φ = 77898288.

The previous prime is 157794277. The next prime is 157794311. The reversal of 157794284 is 482497751.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249359 + ... + 249990.

It is an arithmetic number, because the mean of its divisors is an integer number (23303000).

Almost surely, 2^157794284 is an apocalyptic number.

It is an amenable number.

157794284 is a deficient number, since it is larger than the sum of its proper divisors (121841716).

157794284 is a wasteful number, since it uses less digits than its factorization.

157794284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499432 (or 499430 counting only the distinct ones).

The product of its digits is 564480, while the sum is 47.

The square root of 157794284 is about 12561.6194815796. The cubic root of 157794284 is about 540.3772900582.

The spelling of 157794284 in words is "one hundred fifty-seven million, seven hundred ninety-four thousand, two hundred eighty-four".