15045740 has 12 divisors (see below), whose sum is σ = 31596096. Its totient is φ = 6018288.

The previous prime is 15045733. The next prime is 15045761. The reversal of 15045740 is 4754051.

15045740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376124 + ... + 376163.

It is an arithmetic number, because the mean of its divisors is an integer number (2633008).

Almost surely, 2^15045740 is an apocalyptic number.

15045740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15045740 is an abundant number, since it is smaller than the sum of its proper divisors (16550356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15045740 is a wasteful number, since it uses less digits than its factorization.

15045740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752296 (or 752294 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 15045740 is about 3878.8838600814. The cubic root of 15045740 is about 246.8716298210.

Adding to 15045740 its reverse (4754051), we get a palindrome (19799791).

The spelling of 15045740 in words is "fifteen million, forty-five thousand, seven hundred forty".