15145223052 has 24 divisors (see below), whose sum is σ = 35360971632. Its totient is φ = 5045248000.

The previous prime is 15145223029. The next prime is 15145223081. The reversal of 15145223052 is 25032254151.

15145223052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 374949 + ... + 413372.

It is an arithmetic number, because the mean of its divisors is an integer number (1473373818).

Almost surely, 2^15145223052 is an apocalyptic number.

15145223052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15145223052 is an abundant number, since it is smaller than the sum of its proper divisors (20215748580).

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

15145223052 is a wasteful number, since it uses less digits than its factorization.

15145223052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789929 (or 789927 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 15145223052 in words is "fifteen billion, one hundred forty-five million, two hundred twenty-three thousand, fifty-two".