151332651 has 32 divisors (see below), whose sum is σ = 228237120. Its totient is φ = 99090432.

The previous prime is 151332619. The next prime is 151332661. The reversal of 151332651 is 156233151.

151332651 is a `hidden beast` number, since 1 + 5 + 1 + 3 + 3 + 2 + 651 = 666.

It is not a de Polignac number, because 151332651 - 2⁵ = 151332619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (151332611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 588715 + ... + 588971.

It is an arithmetic number, because the mean of its divisors is an integer number (7132410).

Almost surely, 2^151332651 is an apocalyptic number.

151332651 is a deficient number, since it is larger than the sum of its proper divisors (76904469).

151332651 is a wasteful number, since it uses less digits than its factorization.

151332651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 566 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 151332651 is about 12301.7336583101. The cubic root of 151332651 is about 532.8981509483.

The spelling of 151332651 in words is "one hundred fifty-one million, three hundred thirty-two thousand, six hundred fifty-one".