157509382 has 32 divisors (see below), whose sum is σ = 258785280. Its totient is φ = 71665440.

The previous prime is 157509377. The next prime is 157509383. The reversal of 157509382 is 283905751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157509383) 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 15 ways as a sum of consecutive naturals, for example, 93883 + ... + 95545.

It is an arithmetic number, because the mean of its divisors is an integer number (8087040).

Almost surely, 2^157509382 is an apocalyptic number.

157509382 is a deficient number, since it is larger than the sum of its proper divisors (101275898).

157509382 is a wasteful number, since it uses less digits than its factorization.

157509382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 157509382 is about 12550.2741802719. The cubic root of 157509382 is about 540.0518720175.

The spelling of 157509382 in words is "one hundred fifty-seven million, five hundred nine thousand, three hundred eighty-two".