151564609 has 16 divisors (see below), whose sum is σ = 175690240. Its totient is φ = 128070720.

The previous prime is 151564601. The next prime is 151564619. The reversal of 151564609 is 906465151.

It is a cyclic number.

It is not a de Polignac number, because 151564609 - 2³ = 151564601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151564601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206407 + ... + 207139.

It is an arithmetic number, because the mean of its divisors is an integer number (10980640).

Almost surely, 2^151564609 is an apocalyptic number.

It is an amenable number.

151564609 is a deficient number, since it is larger than the sum of its proper divisors (24125631).

151564609 is a wasteful number, since it uses less digits than its factorization.

151564609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 151564609 is about 12311.1579065497. The cubic root of 151564609 is about 533.1702818842.

The spelling of 151564609 in words is "one hundred fifty-one million, five hundred sixty-four thousand, six hundred nine".