15001454225 has 12 divisors (see below), whose sum is σ = 19243245660. Its totient is φ = 11587329600.

The previous prime is 15001454203. The next prime is 15001454227. The reversal of 15001454225 is 52245410051.

It can be written as a sum of positive squares in 6 ways, for example, as 2333276416 + 12668177809 = 48304^2 + 112553^2 .

It is not a de Polignac number, because 15001454225 - 2⁸ = 15001453969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (15001454227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10345106 + ... + 10346555.

It is an arithmetic number, because the mean of its divisors is an integer number (1603603805).

Almost surely, 2^15001454225 is an apocalyptic number.

It is an amenable number.

15001454225 is a deficient number, since it is larger than the sum of its proper divisors (4241791435).

15001454225 is a wasteful number, since it uses less digits than its factorization.

15001454225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20691700 (or 20691695 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 15001454225 its reverse (52245410051), we get a palindrome (67246864276).

The spelling of 15001454225 in words is "fifteen billion, one million, four hundred fifty-four thousand, two hundred twenty-five".