151345381 has 8 divisors (see below), whose sum is σ = 165356064. Its totient is φ = 137376720.

The previous prime is 151345367. The next prime is 151345399. The reversal of 151345381 is 183543151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 151345381 - 2²³ = 142956773 is a prime.

It is a super-2 number, since 2×151345381² = 45810848700070322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151345361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2715 + ... + 17608.

It is an arithmetic number, because the mean of its divisors is an integer number (20669508).

Almost surely, 2^151345381 is an apocalyptic number.

151345381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

151345381 is a deficient number, since it is larger than the sum of its proper divisors (14010683).

151345381 is a wasteful number, since it uses less digits than its factorization.

151345381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21011.

The product of its digits is 7200, while the sum is 31.

The square root of 151345381 is about 12302.2510541770. The cubic root of 151345381 is about 532.9130928731.

The spelling of 151345381 in words is "one hundred fifty-one million, three hundred forty-five thousand, three hundred eighty-one".