45845444 has 6 divisors (see below), whose sum is σ = 80229534. Its totient is φ = 22922720.

The previous prime is 45845441. The next prime is 45845453. The reversal of 45845444 is 44454854.

It can be written as a sum of positive squares in only one way, i.e., 45832900 + 12544 = 6770^2 + 112^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45845398 and 45845407.

It is not an unprimeable number, because it can be changed into a prime (45845441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5730677 + ... + 5730684.

It is an arithmetic number, because the mean of its divisors is an integer number (13371589).

Almost surely, 2^45845444 is an apocalyptic number.

It is an amenable number.

45845444 is a deficient number, since it is larger than the sum of its proper divisors (34384090).

45845444 is a wasteful number, since it uses less digits than its factorization.

45845444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11461365 (or 11461363 counting only the distinct ones).

The product of its digits is 204800, while the sum is 38.

The square root of 45845444 is about 6770.9263767966. The cubic root of 45845444 is about 357.9030458506.

The spelling of 45845444 in words is "forty-five million, eight hundred forty-five thousand, four hundred forty-four".