15240045254 has 32 divisors (see below), whose sum is σ = 27079971840. Its totient is φ = 6297052608.

The previous prime is 15240045211. The next prime is 15240045257. The reversal of 15240045254 is 45254004251.

It is a self number, because there is not a number n which added to its sum of digits gives 15240045254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15240045257) 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, 128759 + ... + 216930.

It is an arithmetic number, because the mean of its divisors is an integer number (846249120).

Almost surely, 2^15240045254 is an apocalyptic number.

15240045254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

15240045254 is a deficient number, since it is larger than the sum of its proper divisors (11839926586).

15240045254 is a wasteful number, since it uses less digits than its factorization.

15240045254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345812.

The product of its (nonzero) digits is 32000, while the sum is 32.

The spelling of 15240045254 in words is "fifteen billion, two hundred forty million, forty-five thousand, two hundred fifty-four".