157468545 has 24 divisors (see below), whose sum is σ = 293942376. Its totient is φ = 77522688.

The previous prime is 157468543. The next prime is 157468573. The reversal of 157468545 is 545864751.

It can be written as a sum of positive squares in 4 ways, for example, as 1418481 + 156050064 = 1191^2 + 12492^2 .

It is not a de Polignac number, because 157468545 - 2¹ = 157468543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 157468545.

It is not an unprimeable number, because it can be changed into a prime (157468541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134004 + ... + 135173.

It is an arithmetic number, because the mean of its divisors is an integer number (12247599).

Almost surely, 2^157468545 is an apocalyptic number.

157468545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157468545 is a deficient number, since it is larger than the sum of its proper divisors (136473831).

157468545 is a wasteful number, since it uses less digits than its factorization.

157468545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269201 (or 269198 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The square root of 157468545 is about 12548.6471382377. The cubic root of 157468545 is about 540.0051954233.

The spelling of 157468545 in words is "one hundred fifty-seven million, four hundred sixty-eight thousand, five hundred forty-five".