15040323245 has 4 divisors (see below), whose sum is σ = 18048387900. Its totient is φ = 12032258592.

The previous prime is 15040323229. The next prime is 15040323299. The reversal of 15040323245 is 54232304051.

It is a happy number.

15040323245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54232304051 = 1571 ⋅34520881.

It can be written as a sum of positive squares in 2 ways, for example, as 9080946436 + 5959376809 = 95294^2 + 77197^2 .

It is a cyclic number.

It is not a de Polignac number, because 15040323245 - 2⁴ = 15040323229 is a prime.

It is a super-2 number, since 2×15040323245² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1504032320 + ... + 1504032329.

It is an arithmetic number, because the mean of its divisors is an integer number (4512096975).

Almost surely, 2^15040323245 is an apocalyptic number.

It is an amenable number.

15040323245 is a deficient number, since it is larger than the sum of its proper divisors (3008064655).

15040323245 is an equidigital number, since it uses as much as digits as its factorization.

15040323245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3008064654.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 15040323245 its reverse (54232304051), we get a palindrome (69272627296).

The spelling of 15040323245 in words is "fifteen billion, forty million, three hundred twenty-three thousand, two hundred forty-five".