157980044 has 12 divisors (see below), whose sum is σ = 276599568. Its totient is φ = 78951600.

The previous prime is 157980007. The next prime is 157980049. The reversal of 157980044 is 440089751.

It is not an unprimeable number, because it can be changed into a prime (157980049) 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 3 ways as a sum of consecutive naturals, for example, 929 + ... + 17799.

It is an arithmetic number, because the mean of its divisors is an integer number (23049964).

Almost surely, 2^157980044 is an apocalyptic number.

It is an amenable number.

157980044 is a deficient number, since it is larger than the sum of its proper divisors (118619524).

157980044 is a wasteful number, since it uses less digits than its factorization.

157980044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19216 (or 19214 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 157980044 is about 12569.0112578516. The cubic root of 157980044 is about 540.5892561665.

The spelling of 157980044 in words is "one hundred fifty-seven million, nine hundred eighty thousand, forty-four".