15545045224 has 8 divisors (see below), whose sum is σ = 29146959810. Its totient is φ = 7772522608.

The previous prime is 15545045179. The next prime is 15545045231. The reversal of 15545045224 is 42254054551.

15545045224 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 only one way, i.e., 14984208100 + 560837124 = 122410^2 + 23682^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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 as a sum of consecutive naturals, namely, 971565319 + ... + 971565334.

Almost surely, 2^15545045224 is an apocalyptic number.

It is an amenable number.

15545045224 is a deficient number, since it is larger than the sum of its proper divisors (13601914586).

15545045224 is a wasteful number, since it uses less digits than its factorization.

15545045224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943130659 (or 1943130655 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 37.

Adding to 15545045224 its reverse (42254054551), we get a palindrome (57799099775).

The spelling of 15545045224 in words is "fifteen billion, five hundred forty-five million, forty-five thousand, two hundred twenty-four".