15000144454 has 16 divisors (see below), whose sum is σ = 22583060496. Its totient is φ = 7472492800.

The previous prime is 15000144413. The next prime is 15000144473. The reversal of 15000144454 is 45444100051.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 936594 + ... + 952474.

It is an arithmetic number, because the mean of its divisors is an integer number (1411441281).

Almost surely, 2^15000144454 is an apocalyptic number.

15000144454 is a deficient number, since it is larger than the sum of its proper divisors (7582916042).

15000144454 is a wasteful number, since it uses less digits than its factorization.

15000144454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17591.

The product of its (nonzero) digits is 6400, while the sum is 28.

The spelling of 15000144454 in words is "fifteen billion, one hundred forty-four thousand, four hundred fifty-four".