157553455 has 4 divisors (see below), whose sum is σ = 189064152. Its totient is φ = 126042760.

The previous prime is 157553387. The next prime is 157553497. The reversal of 157553455 is 554355751.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 157553455 - 2¹⁵ = 157520687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15755341 + ... + 15755350.

It is an arithmetic number, because the mean of its divisors is an integer number (47266038).

Almost surely, 2^157553455 is an apocalyptic number.

157553455 is a deficient number, since it is larger than the sum of its proper divisors (31510697).

157553455 is an equidigital number, since it uses as much as digits as its factorization.

157553455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31510696.

The product of its digits is 262500, while the sum is 40.

The square root of 157553455 is about 12552.0299155157. The cubic root of 157553455 is about 540.1022383009.

The spelling of 157553455 in words is "one hundred fifty-seven million, five hundred fifty-three thousand, four hundred fifty-five".