15168274245 has 20 divisors (see below), whose sum is σ = 27190536780. Its totient is φ = 8089746048.

The previous prime is 15168274223. The next prime is 15168274271. The reversal of 15168274245 is 54247286151.

15168274245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10090001601 + 5078272644 = 100449^2 + 71262^2 .

It is not a de Polignac number, because 15168274245 - 2⁶ = 15168274181 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 15168274245.

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 19 ways as a sum of consecutive naturals, for example, 18725860 + ... + 18726669.

It is an arithmetic number, because the mean of its divisors is an integer number (1359526839).

Almost surely, 2^15168274245 is an apocalyptic number.

15168274245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15168274245 is a deficient number, since it is larger than the sum of its proper divisors (12022262535).

15168274245 is an equidigital number, since it uses as much as digits as its factorization.

15168274245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37452546 (or 37452537 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The spelling of 15168274245 in words is "fifteen billion, one hundred sixty-eight million, two hundred seventy-four thousand, two hundred forty-five".