13442045 has 8 divisors (see below), whose sum is σ = 16154424. Its totient is φ = 10737664.

The previous prime is 13442017. The next prime is 13442057. The reversal of 13442045 is 54024431.

It can be written as a sum of positive squares in 4 ways, for example, as 8922169 + 4519876 = 2987^2 + 2126^2 .

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 13442045 - 2⁸ = 13441789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13442045.

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, 2717 + ... + 5853.

It is an arithmetic number, because the mean of its divisors is an integer number (2019303).

Almost surely, 2^13442045 is an apocalyptic number.

It is an amenable number.

13442045 is a deficient number, since it is larger than the sum of its proper divisors (2712379).

13442045 is an equidigital number, since it uses as much as digits as its factorization.

13442045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3999.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 13442045 is about 3666.3394550969. The cubic root of 13442045 is about 237.7689363486.

Adding to 13442045 its reverse (54024431), we get a palindrome (67466476).

The spelling of 13442045 in words is "thirteen million, four hundred forty-two thousand, forty-five".