15451043254 has 32 divisors (see below), whose sum is σ = 23951790720. Its totient is φ = 7471606272.

The previous prime is 15451043243. The next prime is 15451043261. The reversal of 15451043254 is 45234015451.

15451043254 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7175442 + ... + 7177594.

It is an arithmetic number, because the mean of its divisors is an integer number (748493460).

Almost surely, 2^15451043254 is an apocalyptic number.

15451043254 is a deficient number, since it is larger than the sum of its proper divisors (8500747466).

15451043254 is a wasteful number, since it uses less digits than its factorization.

15451043254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144.

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 15451043254 in words is "fifteen billion, four hundred fifty-one million, forty-three thousand, two hundred fifty-four".