157815654 has 8 divisors (see below), whose sum is σ = 315631320. Its totient is φ = 52605216.

The previous prime is 157815629. The next prime is 157815677. The reversal of 157815654 is 456518751.

It is a sphenic number, since it is the product of 3 distinct primes.

157815654 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13151299 + ... + 13151310.

It is an arithmetic number, because the mean of its divisors is an integer number (39453915).

Almost surely, 2^157815654 is an apocalyptic number.

157815654 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157815654 is a wasteful number, since it uses less digits than its factorization.

157815654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26302614.

The product of its digits is 168000, while the sum is 42.

The square root of 157815654 is about 12562.4700596658. The cubic root of 157815654 is about 540.4016832979.

The spelling of 157815654 in words is "one hundred fifty-seven million, eight hundred fifteen thousand, six hundred fifty-four".