157117446 has 24 divisors (see below), whose sum is σ = 341054064. Its totient is φ = 52275120.

The previous prime is 157117397. The next prime is 157117459. The reversal of 157117446 is 644711751.

It is a self number, because there is not a number n which added to its sum of digits gives 157117446.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 2191 + ... + 17861.

It is an arithmetic number, because the mean of its divisors is an integer number (14210586).

Almost surely, 2^157117446 is an apocalyptic number.

157117446 is an abundant number, since it is smaller than the sum of its proper divisors (183936618).

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

157117446 is a wasteful number, since it uses less digits than its factorization.

157117446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16236 (or 16233 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 157117446 is about 12534.6498156111. The cubic root of 157117446 is about 539.6035567574.

The spelling of 157117446 in words is "one hundred fifty-seven million, one hundred seventeen thousand, four hundred forty-six".