157100605 has 16 divisors (see below), whose sum is σ = 190436400. Its totient is φ = 124411392.

The previous prime is 157100549. The next prime is 157100609. The reversal of 157100605 is 506001751.

It can be written as a sum of positive squares in 8 ways, for example, as 46703556 + 110397049 = 6834^2 + 10507^2 .

It is a cyclic number.

It is not a de Polignac number, because 157100605 - 2⁷ = 157100477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157100605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157100609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343537 + ... + 343993.

It is an arithmetic number, because the mean of its divisors is an integer number (11902275).

Almost surely, 2^157100605 is an apocalyptic number.

It is an amenable number.

157100605 is a deficient number, since it is larger than the sum of its proper divisors (33335795).

157100605 is a wasteful number, since it uses less digits than its factorization.

157100605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 157100605 is about 12533.9780197669. The cubic root of 157100605 is about 539.5842765131.

The spelling of 157100605 in words is "one hundred fifty-seven million, one hundred thousand, six hundred five".