15079945 has 8 divisors (see below), whose sum is σ = 18207936. Its totient is φ = 11989296.

The previous prime is 15079943. The next prime is 15079949. The reversal of 15079945 is 54997051.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15079945 - 2¹ = 15079943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15079898 and 15079907.

It is not an unprimeable number, because it can be changed into a prime (15079943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8437 + ... + 10066.

It is an arithmetic number, because the mean of its divisors is an integer number (2275992).

Almost surely, 2^15079945 is an apocalyptic number.

It is an amenable number.

15079945 is a deficient number, since it is larger than the sum of its proper divisors (3127991).

15079945 is a wasteful number, since it uses less digits than its factorization.

15079945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18671.

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 15079945 is about 3883.2904861728. The cubic root of 15079945 is about 247.0585676323.

The spelling of 15079945 in words is "fifteen million, seventy-nine thousand, nine hundred forty-five".