151304881 has 16 divisors (see below), whose sum is σ = 187488000. Its totient is φ = 118899648.

The previous prime is 151304863. The next prime is 151304887. The reversal of 151304881 is 188403151.

It is not a de Polignac number, because 151304881 - 2⁵ = 151304849 is a prime.

It is a super-2 number, since 2×151304881² = 45786334028848322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (151304887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7980 + ... + 19138.

It is an arithmetic number, because the mean of its divisors is an integer number (11718000).

Almost surely, 2^151304881 is an apocalyptic number.

It is an amenable number.

151304881 is a deficient number, since it is larger than the sum of its proper divisors (36183119).

151304881 is a wasteful number, since it uses less digits than its factorization.

151304881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11328.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 151304881 is about 12300.6049038249. The cubic root of 151304881 is about 532.8655528125.

The spelling of 151304881 in words is "one hundred fifty-one million, three hundred four thousand, eight hundred eighty-one".