157261545 has 48 divisors (see below), whose sum is σ = 314675712. Its totient is φ = 71164800.

The previous prime is 157261501. The next prime is 157261549. The reversal of 157261545 is 545162751.

157261545 is a `hidden beast` number, since 1 + 57 + 2 + 61 + 545 = 666.

It is not a de Polignac number, because 157261545 - 2²⁴ = 140484329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157261549) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29344 + ... + 34286.

It is an arithmetic number, because the mean of its divisors is an integer number (6555744).

Almost surely, 2^157261545 is an apocalyptic number.

157261545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157261545 is an abundant number, since it is smaller than the sum of its proper divisors (157414167).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157261545 is a wasteful number, since it uses less digits than its factorization.

157261545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5062 (or 5059 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 157261545 is about 12540.3965248313. The cubic root of 157261545 is about 539.7684707030.

It can be divided in two parts, 15726 and 1545, that added together give a palindrome (17271).

The spelling of 157261545 in words is "one hundred fifty-seven million, two hundred sixty-one thousand, five hundred forty-five".