15143044122 has 24 divisors (see below), whose sum is σ = 34025112576. Its totient is φ = 5047681212.

The previous prime is 15143044109. The next prime is 15143044123. The reversal of 15143044122 is 22144034151.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (15143044123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15578778 + ... + 15579749.

It is an arithmetic number, because the mean of its divisors is an integer number (1417713024).

Almost surely, 2^15143044122 is an apocalyptic number.

15143044122 is an abundant number, since it is smaller than the sum of its proper divisors (18882068454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15143044122 is an equidigital number, since it uses as much as digits as its factorization.

15143044122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31158544 (or 31158532 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 15143044122 its reverse (22144034151), we get a palindrome (37287078273).

The spelling of 15143044122 in words is "fifteen billion, one hundred forty-three million, forty-four thousand, one hundred twenty-two".