45022512 has 20 divisors (see below), whose sum is σ = 116308280. Its totient is φ = 15007488.

The previous prime is 45022507. The next prime is 45022513. The reversal of 45022512 is 21522054.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (45022513) 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, 468937 + ... + 469032.

It is an arithmetic number, because the mean of its divisors is an integer number (5815414).

Almost surely, 2^45022512 is an apocalyptic number.

It is an amenable number.

45022512 is an abundant number, since it is smaller than the sum of its proper divisors (71285768).

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

45022512 is a wasteful number, since it uses less digits than its factorization.

45022512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937980 (or 937974 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 45022512 is about 6709.8816681071. The cubic root of 45022512 is about 355.7486337329.

Adding to 45022512 its reverse (21522054), we get a palindrome (66544566).

The spelling of 45022512 in words is "forty-five million, twenty-two thousand, five hundred twelve".