151231872 has 64 divisors (see below), whose sum is σ = 438240960. Its totient is φ = 45826560.

The previous prime is 151231867. The next prime is 151231901. The reversal of 151231872 is 278132151.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13678 + ... + 22125.

It is an arithmetic number, because the mean of its divisors is an integer number (6847515).

Almost surely, 2^151231872 is an apocalyptic number.

151231872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

151231872 is an abundant number, since it is smaller than the sum of its proper divisors (287009088).

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

151231872 is a wasteful number, since it uses less digits than its factorization.

151231872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35831 (or 35819 counting only the distinct ones).

The product of its digits is 3360, while the sum is 30.

The square root of 151231872 is about 12297.6368461587. The cubic root of 151231872 is about 532.7798313209.

The spelling of 151231872 in words is "one hundred fifty-one million, two hundred thirty-one thousand, eight hundred seventy-two".