15445254452 has 12 divisors (see below), whose sum is σ = 27657781536. Its totient is φ = 7543031160.

The previous prime is 15445254439. The next prime is 15445254457. The reversal of 15445254452 is 25445254451.

15445254452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15445254457) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 44898824 + ... + 44899167.

It is an arithmetic number, because the mean of its divisors is an integer number (2304815128).

Almost surely, 2^15445254452 is an apocalyptic number.

It is an amenable number.

15445254452 is a deficient number, since it is larger than the sum of its proper divisors (12212527084).

15445254452 is a wasteful number, since it uses less digits than its factorization.

15445254452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89798038 (or 89798036 counting only the distinct ones).

The product of its digits is 640000, while the sum is 41.

Subtracting 15445254452 from its reverse (25445254451), we obtain a palindrome (9999999999).

The spelling of 15445254452 in words is "fifteen billion, four hundred forty-five million, two hundred fifty-four thousand, four hundred fifty-two".