151868922 has 24 divisors (see below), whose sum is σ = 322659456. Its totient is φ = 47644608.

The previous prime is 151868917. The next prime is 151868933. The reversal of 151868922 is 229868151.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42058 + ... + 45525.

It is an arithmetic number, because the mean of its divisors is an integer number (13444144).

Almost surely, 2^151868922 is an apocalyptic number.

151868922 is an abundant number, since it is smaller than the sum of its proper divisors (170790534).

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

151868922 is a wasteful number, since it uses less digits than its factorization.

151868922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87622 (or 87605 counting only the distinct ones).

The product of its digits is 69120, while the sum is 42.

The square root of 151868922 is about 12323.5109445320. The cubic root of 151868922 is about 533.5268782790.

The spelling of 151868922 in words is "one hundred fifty-one million, eight hundred sixty-eight thousand, nine hundred twenty-two".