151874646 has 64 divisors (see below), whose sum is σ = 382717440. Its totient is φ = 39029760.

The previous prime is 151874629. The next prime is 151874659. The reversal of 151874646 is 646478151.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 151874598 and 151874607.

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 31 ways as a sum of consecutive naturals, for example, 43120 + ... + 46508.

It is an arithmetic number, because the mean of its divisors is an integer number (5979960).

Almost surely, 2^151874646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151874646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191358720).

151874646 is an abundant number, since it is smaller than the sum of its proper divisors (230842794).

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

151874646 is a wasteful number, since it uses less digits than its factorization.

151874646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3509.

The product of its digits is 161280, while the sum is 42.

The square root of 151874646 is about 12323.7431813552. The cubic root of 151874646 is about 533.5335811414.

The spelling of 151874646 in words is "one hundred fifty-one million, eight hundred seventy-four thousand, six hundred forty-six".