157723920482 has 8 divisors (see below), whose sum is σ = 238037328336. Its totient is φ = 78378144372.

The previous prime is 157723920479. The next prime is 157723920527. The reversal of 157723920482 is 284029327751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×157723920482² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 157723920482.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 241907528 + ... + 241908179.

It is an arithmetic number, because the mean of its divisors is an integer number (29754666042).

Almost surely, 2^157723920482 is an apocalyptic number.

157723920482 is a deficient number, since it is larger than the sum of its proper divisors (80313407854).

157723920482 is a wasteful number, since it uses less digits than its factorization.

157723920482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483815872.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 157723920482 in words is "one hundred fifty-seven billion, seven hundred twenty-three million, nine hundred twenty thousand, four hundred eighty-two".