45442445052 has 12 divisors (see below), whose sum is σ = 106032371816. Its totient is φ = 15147481680.

The previous prime is 45442444963. The next prime is 45442445053. The reversal of 45442445052 is 25054424454.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 45442445052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45442445053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1893435199 + ... + 1893435222.

Almost surely, 2^45442445052 is an apocalyptic number.

It is an amenable number.

45442445052 is an abundant number, since it is smaller than the sum of its proper divisors (60589926764).

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

45442445052 is a wasteful number, since it uses less digits than its factorization.

45442445052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3786870428 (or 3786870426 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 39.

The spelling of 45442445052 in words is "forty-five billion, four hundred forty-two million, four hundred forty-five thousand, fifty-two".