15045797 has 4 divisors (see below), whose sum is σ = 16203180. Its totient is φ = 13888416.

The previous prime is 15045769. The next prime is 15045839. The reversal of 15045797 is 79754051.

15045797 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: 79754051 = 13 ⋅6134927.

It can be written as a sum of positive squares in 2 ways, for example, as 5317636 + 9728161 = 2306^2 + 3119^2 .

It is a cyclic number.

It is not a de Polignac number, because 15045797 - 2⁶ = 15045733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15045797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15045707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578672 + ... + 578697.

It is an arithmetic number, because the mean of its divisors is an integer number (4050795).

Almost surely, 2^15045797 is an apocalyptic number.

It is an amenable number.

15045797 is a deficient number, since it is larger than the sum of its proper divisors (1157383).

15045797 is a wasteful number, since it uses less digits than its factorization.

15045797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157382.

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 15045797 is about 3878.8912075489. The cubic root of 15045797 is about 246.8719415740.

The spelling of 15045797 in words is "fifteen million, forty-five thousand, seven hundred ninety-seven".