15154348609 has 9 divisors (see below), whose sum is σ = 15245371747. Its totient is φ = 15063867904.

The previous prime is 15154348577. The next prime is 15154348621. The reversal of 15154348609 is 90684345151.

The square root of 15154348609 is 123103.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 14919401025 + 234947584 = 122145^2 + 15328^2 .

It is not a de Polignac number, because 15154348609 - 2⁵ = 15154348577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15154348009) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 31637232 + ... + 31637710.

Almost surely, 2^15154348609 is an apocalyptic number.

15154348609 is the 123103-rd square number.

15154348609 is the 61552-nd centered octagonal number.

It is an amenable number.

15154348609 is a deficient number, since it is larger than the sum of its proper divisors (91023138).

15154348609 is an frugal number, since it uses more digits than its factorization.

15154348609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 15154348609 in words is "fifteen billion, one hundred fifty-four million, three hundred forty-eight thousand, six hundred nine".