13445156 has 24 divisors (see below), whose sum is σ = 24978240. Its totient is φ = 6318752.

The previous prime is 13445137. The next prime is 13445161. The reversal of 13445156 is 65154431.

It is a happy 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, 4190 + ... + 6666.

It is an arithmetic number, because the mean of its divisors is an integer number (1040760).

Almost surely, 2^13445156 is an apocalyptic number.

It is an amenable number.

13445156 is a deficient number, since it is larger than the sum of its proper divisors (11533084).

13445156 is a wasteful number, since it uses less digits than its factorization.

13445156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563 (or 2561 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 13445156 is about 3666.7636956859. The cubic root of 13445156 is about 237.7872778560.

Adding to 13445156 its reverse (65154431), we get a palindrome (78599587).

The spelling of 13445156 in words is "thirteen million, four hundred forty-five thousand, one hundred fifty-six".