45445422 has 24 divisors (see below), whose sum is σ = 99906408. Its totient is φ = 13771120.

The previous prime is 45445417. The next prime is 45445429. The reversal of 45445422 is 22454454.

It is a super-3 number, since 3×45445422³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45445422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45445429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30573 + ... + 32024.

It is an arithmetic number, because the mean of its divisors is an integer number (4162767).

Almost surely, 2^45445422 is an apocalyptic number.

45445422 is an abundant number, since it is smaller than the sum of its proper divisors (54460986).

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

45445422 is a wasteful number, since it uses less digits than its factorization.

45445422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62624 (or 62613 counting only the distinct ones).

The product of its digits is 25600, while the sum is 30.

The square root of 45445422 is about 6741.3219771793. The cubic root of 45445422 is about 356.8590487829.

Adding to 45445422 its reverse (22454454), we get a palindrome (67899876).

The spelling of 45445422 in words is "forty-five million, four hundred forty-five thousand, four hundred twenty-two".