15445233145 has 16 divisors (see below), whose sum is σ = 18893813760. Its totient is φ = 12118321600.

The previous prime is 15445233131. The next prime is 15445233149. The reversal of 15445233145 is 54133254451.

It is not a de Polignac number, because 15445233145 - 2⁷ = 15445233017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15445233149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46090 + ... + 181699.

It is an arithmetic number, because the mean of its divisors is an integer number (1180863360).

Almost surely, 2^15445233145 is an apocalyptic number.

It is an amenable number.

15445233145 is a deficient number, since it is larger than the sum of its proper divisors (3448580615).

15445233145 is a wasteful number, since it uses less digits than its factorization.

15445233145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228056.

The product of its digits is 144000, while the sum is 37.

Adding to 15445233145 its reverse (54133254451), we get a palindrome (69578487596).

The spelling of 15445233145 in words is "fifteen billion, four hundred forty-five million, two hundred thirty-three thousand, one hundred forty-five".