15439190242245 has 64 divisors (see below), whose sum is σ = 31002138685440. Its totient is φ = 6373794816000.

The previous prime is 15439190242213. The next prime is 15439190242313. The reversal of 15439190242245 is 54224209193451.

It is not a de Polignac number, because 15439190242245 - 2⁵ = 15439190242213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44088060 + ... + 44436869.

It is an arithmetic number, because the mean of its divisors is an integer number (484408416960).

Almost surely, 2^{15439190242245} is an apocalyptic number.

15439190242245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15439190242245 is an abundant number, since it is smaller than the sum of its proper divisors (15562948443195).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15439190242245 is a wasteful number, since it uses less digits than its factorization.

15439190242245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88525106.

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 15439190242245 in words is "fifteen trillion, four hundred thirty-nine billion, one hundred ninety million, two hundred forty-two thousand, two hundred forty-five".