151288969 has 12 divisors (see below), whose sum is σ = 169476300. Its totient is φ = 134831424.

The previous prime is 151288937. The next prime is 151288981. The reversal of 151288969 is 969882151.

151288969 = 15² + 16² + ... + 768².

It can be written as a sum of positive squares in 6 ways, for example, as 57198969 + 94090000 = 7563^2 + 9700^2 .

It is not a de Polignac number, because 151288969 - 2⁵ = 151288937 is a prime.

It is a super-2 number, since 2×151288969² = 45776704282165922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151288069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10534 + ... + 20335.

It is an arithmetic number, because the mean of its divisors is an integer number (14123025).

Almost surely, 2^151288969 is an apocalyptic number.

It is an amenable number.

151288969 is a deficient number, since it is larger than the sum of its proper divisors (18187331).

151288969 is a wasteful number, since it uses less digits than its factorization.

151288969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30924 (or 30911 counting only the distinct ones).

The product of its digits is 311040, while the sum is 49.

The square root of 151288969 is about 12299.9580893595. The cubic root of 151288969 is about 532.8468725296.

The spelling of 151288969 in words is "one hundred fifty-one million, two hundred eighty-eight thousand, nine hundred sixty-nine".