151444656 has 120 divisors (see below), whose sum is σ = 469594944. Its totient is φ = 45175680.

The previous prime is 151444609. The next prime is 151444661. The reversal of 151444656 is 656444151.

151444656 is a `hidden beast` number, since 151 + 44 + 465 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 151444656.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105415 + ... + 106841.

Almost surely, 2^151444656 is an apocalyptic number.

151444656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151444656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234797472).

151444656 is an abundant number, since it is smaller than the sum of its proper divisors (318150288).

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

151444656 is a wasteful number, since it uses less digits than its factorization.

151444656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519 (or 1510 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 151444656 is about 12306.2852234133. The cubic root of 151444656 is about 533.0295888496.

It can be divided in two parts, 151444 and 656, that added together give a square (152100 = 390²).

The spelling of 151444656 in words is "one hundred fifty-one million, four hundred forty-four thousand, six hundred fifty-six".