157205044 has 12 divisors (see below), whose sum is σ = 275489284. Its totient is φ = 78493824.

The previous prime is 157205021. The next prime is 157205117. The reversal of 157205044 is 440502751.

It can be written as a sum of positive squares in 2 ways, for example, as 154008100 + 3196944 = 12410^2 + 1788^2 .

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, 23877 + ... + 29740.

Almost surely, 2^157205044 is an apocalyptic number.

It is an amenable number.

157205044 is a deficient number, since it is larger than the sum of its proper divisors (118284240).

157205044 is a wasteful number, since it uses less digits than its factorization.

157205044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54354 (or 54352 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 157205044 is about 12538.1435627448. The cubic root of 157205044 is about 539.7038202053.

Adding to 157205044 its reverse (440502751), we get a palindrome (597707795).

The spelling of 157205044 in words is "one hundred fifty-seven million, two hundred five thousand, forty-four".