45122044 has 24 divisors (see below), whose sum is σ = 89889408. Its totient is φ = 19617840.

The previous prime is 45122039. The next prime is 45122047. The reversal of 45122044 is 44022154.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45122047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21282 + ... + 23305.

It is an arithmetic number, because the mean of its divisors is an integer number (3745392).

Almost surely, 2^45122044 is an apocalyptic number.

45122044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

45122044 is a deficient number, since it is larger than the sum of its proper divisors (44767364).

45122044 is a wasteful number, since it uses less digits than its factorization.

45122044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44625 (or 44623 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 45122044 is about 6717.2943958115. The cubic root of 45122044 is about 356.0105938858.

Adding to 45122044 its reverse (44022154), we get a palindrome (89144198).

It can be divided in two parts, 4512 and 2044, that added together give a palindrome (6556).

The spelling of 45122044 in words is "forty-five million, one hundred twenty-two thousand, forty-four".