151820456 has 16 divisors (see below), whose sum is σ = 285021600. Its totient is φ = 75814704.

The previous prime is 151820429. The next prime is 151820467. The reversal of 151820456 is 654028151.

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, 4946 + ... + 18113.

It is an arithmetic number, because the mean of its divisors is an integer number (17813850).

Almost surely, 2^151820456 is an apocalyptic number.

It is an amenable number.

151820456 is a deficient number, since it is larger than the sum of its proper divisors (133201144).

151820456 is a wasteful number, since it uses less digits than its factorization.

151820456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23888 (or 23884 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 151820456 is about 12321.5443837207. The cubic root of 151820456 is about 533.4701173466.

The spelling of 151820456 in words is "one hundred fifty-one million, eight hundred twenty thousand, four hundred fifty-six".