151986474 has 24 divisors (see below), whose sum is σ = 329622852. Its totient is φ = 50613120.

The previous prime is 151986451. The next prime is 151986503. The reversal of 151986474 is 474689151.

151986474 is a `hidden beast` number, since 1 + 519 + 8 + 64 + 74 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 149010849 + 2975625 = 12207^2 + 1725^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18354 + ... + 25314.

Almost surely, 2^151986474 is an apocalyptic number.

151986474 is an abundant number, since it is smaller than the sum of its proper divisors (177636378).

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

151986474 is a wasteful number, since it uses less digits than its factorization.

151986474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8182 (or 8179 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 151986474 is about 12328.2794419984. The cubic root of 151986474 is about 533.6644990991.

The spelling of 151986474 in words is "one hundred fifty-one million, nine hundred eighty-six thousand, four hundred seventy-four".