45212244 has 96 divisors (see below), whose sum is σ = 132765696. Its totient is φ = 11633280.

The previous prime is 45212213. The next prime is 45212263. The reversal of 45212244 is 44221254.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154162 + ... + 154454.

It is an arithmetic number, because the mean of its divisors is an integer number (1382976).

Almost surely, 2^45212244 is an apocalyptic number.

45212244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45212244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66382848).

45212244 is an abundant number, since it is smaller than the sum of its proper divisors (87553452).

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

45212244 is a wasteful number, since it uses less digits than its factorization.

45212244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 483 counting only the distinct ones).

The product of its digits is 2560, while the sum is 24.

The square root of 45212244 is about 6724.0050565121. The cubic root of 45212244 is about 356.2476604340.

Adding to 45212244 its reverse (44221254), we get a palindrome (89433498).

The spelling of 45212244 in words is "forty-five million, two hundred twelve thousand, two hundred forty-four".