15240452045 has 32 divisors (see below), whose sum is σ = 23693671680. Its totient is φ = 9138977280.

The previous prime is 15240452023. The next prime is 15240452057. The reversal of 15240452045 is 54025404251.

It is not a de Polignac number, because 15240452045 - 2³² = 10945484749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 872816 + ... + 890105.

It is an arithmetic number, because the mean of its divisors is an integer number (740427240).

Almost surely, 2^15240452045 is an apocalyptic number.

It is an amenable number.

15240452045 is a deficient number, since it is larger than the sum of its proper divisors (8453219635).

15240452045 is a wasteful number, since it uses less digits than its factorization.

15240452045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762965.

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 15240452045 its reverse (54025404251), we get a palindrome (69265856296).

The spelling of 15240452045 in words is "fifteen billion, two hundred forty million, four hundred fifty-two thousand, forty-five".