15022215145 has 32 divisors (see below), whose sum is σ = 20911219200. Its totient is φ = 10146554880.

The previous prime is 15022215139. The next prime is 15022215199. The reversal of 15022215145 is 54151222051.

It is not a de Polignac number, because 15022215145 - 2⁷ = 15022215017 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3708081 + ... + 3712129.

It is an arithmetic number, because the mean of its divisors is an integer number (653475600).

Almost surely, 2^15022215145 is an apocalyptic number.

It is an amenable number.

15022215145 is a deficient number, since it is larger than the sum of its proper divisors (5889004055).

15022215145 is a wasteful number, since it uses less digits than its factorization.

15022215145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5625.

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 15022215145 its reverse (54151222051), we get a palindrome (69173437196).

The spelling of 15022215145 in words is "fifteen billion, twenty-two million, two hundred fifteen thousand, one hundred forty-five".