45123822 has 24 divisors (see below), whose sum is σ = 102914760. Its totient is φ = 14249520.

The previous prime is 45123809. The next prime is 45123853. The reversal of 45123822 is 22832154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65629 + ... + 66312.

It is an arithmetic number, because the mean of its divisors is an integer number (4288115).

Almost surely, 2^45123822 is an apocalyptic number.

45123822 is an abundant number, since it is smaller than the sum of its proper divisors (57790938).

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

45123822 is a wasteful number, since it uses less digits than its factorization.

45123822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131968 (or 131965 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 45123822 is about 6717.4267394591. The cubic root of 45123822 is about 356.0152699337.

Adding to 45123822 its reverse (22832154), we get a palindrome (67955976).

The spelling of 45123822 in words is "forty-five million, one hundred twenty-three thousand, eight hundred twenty-two".