157894155 has 48 divisors (see below), whose sum is σ = 281024640. Its totient is φ = 81978624.

The previous prime is 157894153. The next prime is 157894189. The reversal of 157894155 is 551498751.

157894155 is a `hidden beast` number, since 157 + 89 + 415 + 5 = 666.

It is not a de Polignac number, because 157894155 - 2¹ = 157894153 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 157894155.

It is not an unprimeable number, because it can be changed into a prime (157894153) 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, 569877 + ... + 570153.

It is an arithmetic number, because the mean of its divisors is an integer number (5854680).

Almost surely, 2^157894155 is an apocalyptic number.

157894155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

157894155 is a deficient number, since it is larger than the sum of its proper divisors (123130485).

157894155 is a wasteful number, since it uses less digits than its factorization.

157894155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580 (or 577 counting only the distinct ones).

The product of its digits is 252000, while the sum is 45.

The square root of 157894155 is about 12565.5940965798. The cubic root of 157894155 is about 540.4912710322.

The spelling of 157894155 in words is "one hundred fifty-seven million, eight hundred ninety-four thousand, one hundred fifty-five".