15054942242 has 18 divisors (see below), whose sum is σ = 23030604723. Its totient is φ = 7380931792.

The previous prime is 15054942211. The next prime is 15054942251. The reversal of 15054942242 is 24224945051.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 2324107681 + 12730834561 = 48209^2 + 112831^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=86761.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15054942196 and 15054942205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9195848 + ... + 9197484.

Almost surely, 2^15054942242 is an apocalyptic number.

15054942242 is a deficient number, since it is larger than the sum of its proper divisors (7975662481).

15054942242 is an frugal number, since it uses more digits than its factorization.

15054942242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3382 (or 1692 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 15054942242 in words is "fifteen billion, fifty-four million, nine hundred forty-two thousand, two hundred forty-two".