13445042 has 16 divisors (see below), whose sum is σ = 21846552. Its totient is φ = 6168960.

The previous prime is 13445039. The next prime is 13445059. The reversal of 13445042 is 24054431.

It can be written as a sum of positive squares in 4 ways, for example, as 5997601 + 7447441 = 2449^2 + 2729^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13444999 and 13445017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3278 + ... + 6134.

Almost surely, 2^13445042 is an apocalyptic number.

13445042 is a deficient number, since it is larger than the sum of its proper divisors (8401510).

13445042 is a wasteful number, since it uses less digits than its factorization.

13445042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053.

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

The square root of 13445042 is about 3666.7481506097. The cubic root of 13445042 is about 237.7866057967.

Adding to 13445042 its reverse (24054431), we get a palindrome (37499473).

The spelling of 13445042 in words is "thirteen million, four hundred forty-five thousand, forty-two".