45124422 has 32 divisors (see below), whose sum is σ = 103617792. Its totient is φ = 12833184.

The previous prime is 45124381. The next prime is 45124427. The reversal of 45124422 is 22442154.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 45124392 and 45124401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45124427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7168 + ... + 11900.

It is an arithmetic number, because the mean of its divisors is an integer number (3238056).

Almost surely, 2^45124422 is an apocalyptic number.

45124422 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

45124422 is an abundant number, since it is smaller than the sum of its proper divisors (58493370).

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

45124422 is a wasteful number, since it uses less digits than its factorization.

45124422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4972.

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

The square root of 45124422 is about 6717.4713992692. The cubic root of 45124422 is about 356.0168478750.

Adding to 45124422 its reverse (22442154), we get a palindrome (67566576).

The spelling of 45124422 in words is "forty-five million, one hundred twenty-four thousand, four hundred twenty-two".