151911648 has 72 divisors (see below), whose sum is σ = 493719408. Its totient is φ = 43402752.

The previous prime is 151911637. The next prime is 151911649. The reversal of 151911648 is 846119151.

It is a happy number.

151911648 is a `hidden beast` number, since 1 + 5 + 1 + 9 + 1 + 1 + 648 = 666.

151911648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151911649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35661 + ... + 39692.

It is an arithmetic number, because the mean of its divisors is an integer number (6857214).

Almost surely, 2^151911648 is an apocalyptic number.

151911648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

151911648 is an abundant number, since it is smaller than the sum of its proper divisors (341807760).

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

151911648 is a wasteful number, since it uses less digits than its factorization.

151911648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75376 (or 75365 counting only the distinct ones).

The product of its digits is 8640, while the sum is 36.

The square root of 151911648 is about 12325.2443383488. The cubic root of 151911648 is about 533.5769067986.

The spelling of 151911648 in words is "one hundred fifty-one million, nine hundred eleven thousand, six hundred forty-eight".