45042452 has 96 divisors (see below), whose sum is σ = 106686720. Its totient is φ = 16128000.

The previous prime is 45042451. The next prime is 45042463. The reversal of 45042452 is 25424054.

45042452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45042451) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 179327 + ... + 179577.

It is an arithmetic number, because the mean of its divisors is an integer number (1111320).

Almost surely, 2^45042452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45042452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53343360).

45042452 is an abundant number, since it is smaller than the sum of its proper divisors (61644268).

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

45042452 is a wasteful number, since it uses less digits than its factorization.

45042452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 45042452 is about 6711.3673718550. The cubic root of 45042452 is about 355.8011450986.

The spelling of 45042452 in words is "forty-five million, forty-two thousand, four hundred fifty-two".