151381477 has 8 divisors (see below), whose sum is σ = 163134720. Its totient is φ = 139643760.

The previous prime is 151381453. The next prime is 151381519. The reversal of 151381477 is 774183151.

151381477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151381477 is a prime.

It is a super-3 number, since 3×151381477³ (a number of 26 digits) contains 333 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 (151381177) 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, 23652 + ... + 29362.

It is an arithmetic number, because the mean of its divisors is an integer number (20391840).

Almost surely, 2^151381477 is an apocalyptic number.

It is an amenable number.

151381477 is a deficient number, since it is larger than the sum of its proper divisors (11753243).

151381477 is a wasteful number, since it uses less digits than its factorization.

151381477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7763.

The product of its digits is 23520, while the sum is 37.

The square root of 151381477 is about 12303.7180152993. The cubic root of 151381477 is about 532.9554562449.

The spelling of 151381477 in words is "one hundred fifty-one million, three hundred eighty-one thousand, four hundred seventy-seven".