151278764 has 48 divisors (see below), whose sum is σ = 330747648. Its totient is φ = 58943808.

The previous prime is 151278749. The next prime is 151278781. The reversal of 151278764 is 467872151.

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, 21287 + ... + 27489.

It is an arithmetic number, because the mean of its divisors is an integer number (6890576).

Almost surely, 2^151278764 is an apocalyptic number.

151278764 is a gapful number since it is divisible by the number (14) 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 151278764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165373824).

151278764 is an abundant number, since it is smaller than the sum of its proper divisors (179468884).

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

151278764 is a wasteful number, since it uses less digits than its factorization.

151278764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6294 (or 6292 counting only the distinct ones).

The product of its digits is 94080, while the sum is 41.

The square root of 151278764 is about 12299.5432435518. The cubic root of 151278764 is about 532.8348914301.

The spelling of 151278764 in words is "one hundred fifty-one million, two hundred seventy-eight thousand, seven hundred sixty-four".