13442545 has 8 divisors (see below), whose sum is σ = 16372224. Its totient is φ = 10593264.

The previous prime is 13442537. The next prime is 13442591. The reversal of 13442545 is 54524431.

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 13442545 - 2³ = 13442537 is a prime.

It is a Duffinian 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, 19729 + ... + 20398.

It is an arithmetic number, because the mean of its divisors is an integer number (2046528).

Almost surely, 2^13442545 is an apocalyptic number.

It is an amenable number.

13442545 is a deficient number, since it is larger than the sum of its proper divisors (2929679).

13442545 is an equidigital number, since it uses as much as digits as its factorization.

13442545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40199.

The product of its digits is 9600, while the sum is 28.

The square root of 13442545 is about 3666.4076423660. The cubic root of 13442545 is about 237.7718843869.

Adding to 13442545 its reverse (54524431), we get a palindrome (67966976).

The spelling of 13442545 in words is "thirteen million, four hundred forty-two thousand, five hundred forty-five".