157585455 has 24 divisors (see below), whose sum is σ = 274034592. Its totient is φ = 83772864.

The previous prime is 157585451. The next prime is 157585457. The reversal of 157585455 is 554585751.

157585455 is a `hidden beast` number, since 1 + 57 + 58 + 545 + 5 = 666.

It is not a de Polignac number, because 157585455 - 2² = 157585451 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 157585455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157585451) 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, 8742 + ... + 19788.

It is an arithmetic number, because the mean of its divisors is an integer number (11418108).

Almost surely, 2^157585455 is an apocalyptic number.

157585455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

157585455 is a deficient number, since it is larger than the sum of its proper divisors (116449137).

157585455 is a wasteful number, since it uses less digits than its factorization.

157585455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11375 (or 11372 counting only the distinct ones).

The product of its digits is 700000, while the sum is 45.

The square root of 157585455 is about 12553.3045450192. The cubic root of 157585455 is about 540.1388017679.

The spelling of 157585455 in words is "one hundred fifty-seven million, five hundred eighty-five thousand, four hundred fifty-five".