15442045 has 8 divisors (see below), whose sum is σ = 18602496. Its totient is φ = 12305616.

The previous prime is 15442033. The next prime is 15442073. The reversal of 15442045 is 54024451.

It is a happy number.

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 15442045 - 2⁵ = 15442013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4557 + ... + 7186.

It is an arithmetic number, because the mean of its divisors is an integer number (2325312).

Almost surely, 2^15442045 is an apocalyptic number.

It is an amenable number.

15442045 is a deficient number, since it is larger than the sum of its proper divisors (3160451).

15442045 is a wasteful number, since it uses less digits than its factorization.

15442045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12011.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 15442045 is about 3929.6367516604. The cubic root of 15442045 is about 249.0204066005.

Adding to 15442045 its reverse (54024451), we get a palindrome (69466496).

The spelling of 15442045 in words is "fifteen million, four hundred forty-two thousand, forty-five".