151420155 has 16 divisors (see below), whose sum is σ = 252806400. Its totient is φ = 77246048.

The previous prime is 151420133. The next prime is 151420193. The reversal of 151420155 is 551024151.

It is a cyclic number.

It is not a de Polignac number, because 151420155 - 2¹⁰ = 151419131 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219105 + ... + 219794.

It is an arithmetic number, because the mean of its divisors is an integer number (15800400).

Almost surely, 2^151420155 is an apocalyptic number.

151420155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

151420155 is a deficient number, since it is larger than the sum of its proper divisors (101386245).

151420155 is a wasteful number, since it uses less digits than its factorization.

151420155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438930.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 151420155 is about 12305.2897162155. The cubic root of 151420155 is about 533.0008424577. Note that the first 3 decimals are identical.

The spelling of 151420155 in words is "one hundred fifty-one million, four hundred twenty thousand, one hundred fifty-five".