45920444 has 12 divisors (see below), whose sum is σ = 80766000. Its totient is φ = 22844448.

The previous prime is 45920353. The next prime is 45920447. The reversal of 45920444 is 44402954.

It is a super-4 number, since 4×45920444⁴ (a number of 32 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45920444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45920447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28049 + ... + 29640.

It is an arithmetic number, because the mean of its divisors is an integer number (6730500).

Almost surely, 2^45920444 is an apocalyptic number.

It is an amenable number.

45920444 is a deficient number, since it is larger than the sum of its proper divisors (34845556).

45920444 is a wasteful number, since it uses less digits than its factorization.

45920444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57892 (or 57890 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 45920444 is about 6776.4624989739. The cubic root of 45920444 is about 358.0981077933.

It can be divided in two parts, 45920 and 444, that added together give a palindrome (46364).

The spelling of 45920444 in words is "forty-five million, nine hundred twenty thousand, four hundred forty-four".