157874745 has 32 divisors (see below), whose sum is σ = 296494848. Its totient is φ = 70219008.

The previous prime is 157874719. The next prime is 157874747. The reversal of 157874745 is 547478751.

It is not a de Polignac number, because 157874745 - 2⁶ = 157874681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157874694 and 157874703.

It is not an unprimeable number, because it can be changed into a prime (157874747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16434 + ... + 24203.

It is an arithmetic number, because the mean of its divisors is an integer number (9265464).

Almost surely, 2^157874745 is an apocalyptic number.

157874745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157874745 is a deficient number, since it is larger than the sum of its proper divisors (138620103).

157874745 is a wasteful number, since it uses less digits than its factorization.

157874745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40689.

The product of its digits is 1097600, while the sum is 48.

The square root of 157874745 is about 12564.8217257548. The cubic root of 157874745 is about 540.4691225123.

The spelling of 157874745 in words is "one hundred fifty-seven million, eight hundred seventy-four thousand, seven hundred forty-five".