157115444 has 12 divisors (see below), whose sum is σ = 281658468. Its totient is φ = 76641600.

The previous prime is 157115429. The next prime is 157115467. The reversal of 157115444 is 444511751.

It can be written as a sum of positive squares in 2 ways, for example, as 82119844 + 74995600 = 9062^2 + 8660^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 157115444.

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 3 ways as a sum of consecutive naturals, for example, 478847 + ... + 479174.

It is an arithmetic number, because the mean of its divisors is an integer number (23471539).

Almost surely, 2^157115444 is an apocalyptic number.

It is an amenable number.

157115444 is a deficient number, since it is larger than the sum of its proper divisors (124543024).

157115444 is a wasteful number, since it uses less digits than its factorization.

157115444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958066 (or 958064 counting only the distinct ones).

The product of its digits is 11200, while the sum is 32.

The square root of 157115444 is about 12534.5699567237. The cubic root of 157115444 is about 539.6012648606.

The spelling of 157115444 in words is "one hundred fifty-seven million, one hundred fifteen thousand, four hundred forty-four".