13445142 has 8 divisors (see below), whose sum is σ = 26890296. Its totient is φ = 4481712.

The previous prime is 13445137. The next prime is 13445161. The reversal of 13445142 is 24154431.

It is a sphenic number, since it is the product of 3 distinct primes.

13445142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1120423 + ... + 1120434.

It is an arithmetic number, because the mean of its divisors is an integer number (3361287).

Almost surely, 2^13445142 is an apocalyptic number.

13445142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13445142 is a wasteful number, since it uses less digits than its factorization.

13445142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240862.

The product of its digits is 1920, while the sum is 24.

The square root of 13445142 is about 3666.7617866450. The cubic root of 13445142 is about 237.7871953226.

Adding to 13445142 its reverse (24154431), we get a palindrome (37599573).

The spelling of 13445142 in words is "thirteen million, four hundred forty-five thousand, one hundred forty-two".