151372881 has 20 divisors (see below), whose sum is σ = 246683184. Its totient is φ = 91740600.

The previous prime is 151372847. The next prime is 151372901. The reversal of 151372881 is 188273151.

It is not a de Polignac number, because 151372881 - 2¹¹ = 151370833 is a prime.

It is a super-2 number, since 2×151372881² = 45827498204480322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (151372181) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 84055 + ... + 85836.

Almost surely, 2^151372881 is an apocalyptic number.

151372881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

151372881 is a deficient number, since it is larger than the sum of its proper divisors (95310303).

151372881 is a wasteful number, since it uses less digits than its factorization.

151372881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169914 (or 169905 counting only the distinct ones).

The product of its digits is 13440, while the sum is 36.

The square root of 151372881 is about 12303.3686850391. The cubic root of 151372881 is about 532.9453683268.

The spelling of 151372881 in words is "one hundred fifty-one million, three hundred seventy-two thousand, eight hundred eighty-one".