15117045 has 16 divisors (see below), whose sum is σ = 24495360. Its totient is φ = 7959744.

The previous prime is 15117043. The next prime is 15117061. The reversal of 15117045 is 54071151.

It is not a de Polignac number, because 15117045 - 2¹ = 15117043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15117041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5194 + ... + 7563.

It is an arithmetic number, because the mean of its divisors is an integer number (1530960).

Almost surely, 2^15117045 is an apocalyptic number.

15117045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15117045 is a deficient number, since it is larger than the sum of its proper divisors (9378315).

15117045 is a wasteful number, since it uses less digits than its factorization.

15117045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12844.

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 15117045 is about 3888.0644284785. The cubic root of 15117045 is about 247.2610079468.

Adding to 15117045 its reverse (54071151), we get a palindrome (69188196).

The spelling of 15117045 in words is "fifteen million, one hundred seventeen thousand, forty-five".