13615045 has 16 divisors (see below), whose sum is σ = 17860608. Its totient is φ = 9918720.

The previous prime is 13615037. The next prime is 13615061. The reversal of 13615045 is 54051631.

It is not a de Polignac number, because 13615045 - 2³ = 13615037 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 52 + ... + 5218.

It is an arithmetic number, because the mean of its divisors is an integer number (1116288).

Almost surely, 2^13615045 is an apocalyptic number.

It is an amenable number.

13615045 is a deficient number, since it is larger than the sum of its proper divisors (4245563).

13615045 is a wasteful number, since it uses less digits than its factorization.

13615045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5220.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 13615045 is about 3689.8570433013. The cubic root of 13615045 is about 238.7846253337.

Adding to 13615045 its reverse (54051631), we get a palindrome (67666676).

It can be divided in two parts, 136150 and 45, that multiplied together give a triangular number (6126750 = T₃₅₀₀).

The spelling of 13615045 in words is "thirteen million, six hundred fifteen thousand, forty-five".