151402689 has 10 divisors (see below), whose sum is σ = 226169570. Its totient is φ = 100935072.

The previous prime is 151402661. The next prime is 151402703. The reversal of 151402689 is 986204151.

It can be written as a sum of positive squares in only one way, i.e., 79067664 + 72335025 = 8892^2 + 8505^2 .

It is not a de Polignac number, because 151402689 - 2²¹ = 149305537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151402639) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 934504 + ... + 934665.

It is an arithmetic number, because the mean of its divisors is an integer number (22616957).

Almost surely, 2^151402689 is an apocalyptic number.

It is an amenable number.

151402689 is a deficient number, since it is larger than the sum of its proper divisors (74766881).

151402689 is an equidigital number, since it uses as much as digits as its factorization.

151402689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869181 (or 1869172 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 151402689 is about 12304.5800009590. The cubic root of 151402689 is about 532.9803481567.

The spelling of 151402689 in words is "one hundred fifty-one million, four hundred two thousand, six hundred eighty-nine".