151332641 has 4 divisors (see below), whose sum is σ = 152487984. Its totient is φ = 150177300.

The previous prime is 151332619. The next prime is 151332661. The reversal of 151332641 is 146233151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 151332641 - 2¹⁸ = 151070497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151332641.

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 3 ways as a sum of consecutive naturals, for example, 577475 + ... + 577736.

It is an arithmetic number, because the mean of its divisors is an integer number (38121996).

Almost surely, 2^151332641 is an apocalyptic number.

It is an amenable number.

151332641 is a deficient number, since it is larger than the sum of its proper divisors (1155343).

151332641 is a wasteful number, since it uses less digits than its factorization.

151332641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155342.

The product of its digits is 2160, while the sum is 26.

The square root of 151332641 is about 12301.7332518633. The cubic root of 151332641 is about 532.8981392104.

Adding to 151332641 its reverse (146233151), we get a palindrome (297565792).

The spelling of 151332641 in words is "one hundred fifty-one million, three hundred thirty-two thousand, six hundred forty-one".