157455 has 12 divisors (see below), whose sum is σ = 273000. Its totient is φ = 83952.

The previous prime is 157433. The next prime is 157457. The reversal of 157455 is 554751.

It is not a de Polignac number, because 157455 - 2⁷ = 157327 is a prime.

It is a plaindrome in base 13.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1705 + ... + 1794.

It is an arithmetic number, because the mean of its divisors is an integer number (22750).

2¹⁵⁷⁴⁵⁵ is an apocalyptic number.

157455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

157455 is a deficient number, since it is larger than the sum of its proper divisors (115545).

157455 is a wasteful number, since it uses less digits than its factorization.

157455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3510 (or 3507 counting only the distinct ones).

The product of its digits is 3500, while the sum is 27.

The square root of 157455 is about 396.8059979385. The cubic root of 157455 is about 53.9989711738.

The spelling of 157455 in words is "one hundred fifty-seven thousand, four hundred fifty-five".