157140044 has 48 divisors (see below), whose sum is σ = 301008960. Its totient is φ = 71485440.

The previous prime is 157140043. The next prime is 157140047. The reversal of 157140044 is 440041751.

It is a junction number, because it is equal to n+sod(n) for n = 157139995 and 157140022.

It is not an unprimeable number, because it can be changed into a prime (157140043) 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, 437537 + ... + 437895.

It is an arithmetic number, because the mean of its divisors is an integer number (6271020).

Almost surely, 2^157140044 is an apocalyptic number.

It is an amenable number.

157140044 is a deficient number, since it is larger than the sum of its proper divisors (143868916).

157140044 is a wasteful number, since it uses less digits than its factorization.

157140044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578 (or 576 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 157140044 is about 12535.5512044744. The cubic root of 157140044 is about 539.6294256789.

Adding to 157140044 its reverse (440041751), we get a palindrome (597181795).

The spelling of 157140044 in words is "one hundred fifty-seven million, one hundred forty thousand, forty-four".