151949238 has 32 divisors (see below), whose sum is σ = 347829504. Its totient is φ = 43349472.

The previous prime is 151949219. The next prime is 151949243. The reversal of 151949238 is 832949151.

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

It is a self number, because there is not a number n which added to its sum of digits gives 151949238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30756 + ... + 35352.

It is an arithmetic number, because the mean of its divisors is an integer number (10869672).

Almost surely, 2^151949238 is an apocalyptic number.

151949238 is an abundant number, since it is smaller than the sum of its proper divisors (195880266).

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

151949238 is a wasteful number, since it uses less digits than its factorization.

151949238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5396.

The product of its digits is 77760, while the sum is 42.

The square root of 151949238 is about 12326.7691630857. The cubic root of 151949238 is about 533.6209137418.

The spelling of 151949238 in words is "one hundred fifty-one million, nine hundred forty-nine thousand, two hundred thirty-eight".