13455442 has 72 divisors (see below), whose sum is σ = 28038528. Its totient is φ = 4736160.

The previous prime is 13455413. The next prime is 13455443. The reversal of 13455442 is 24455431.

Its product of digits (9600) is a multiple of the sum of its prime divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 13455442.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13455443) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 286263 + ... + 286309.

It is an arithmetic number, because the mean of its divisors is an integer number (389424).

Almost surely, 2^13455442 is an apocalyptic number.

13455442 is an abundant number, since it is smaller than the sum of its proper divisors (14583086).

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

13455442 is a wasteful number, since it uses less digits than its factorization.

13455442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 80 counting only the distinct ones).

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

The square root of 13455442 is about 3668.1660267769. The cubic root of 13455442 is about 237.8479008411.

The spelling of 13455442 in words is "thirteen million, four hundred fifty-five thousand, four hundred forty-two".