45122044000 has 192 divisors, whose sum is σ = 126204728832. Its totient is φ = 15694272000.

The previous prime is 45122043959. The next prime is 45122044001. The reversal of 45122044000 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 (45122044001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 989707 + ... + 1034293.

It is an arithmetic number, because the mean of its divisors is an integer number (657316296).

Almost surely, 2^45122044000 is an apocalyptic number.

45122044000 is a gapful number since it is divisible by the number (40) 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 45122044000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63102364416).

45122044000 is an abundant number, since it is smaller than the sum of its proper divisors (81082684832).

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

45122044000 is a wasteful number, since it uses less digits than its factorization.

45122044000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44646 (or 44628 counting only the distinct ones).

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

Adding to 45122044000 its reverse (44022154), we get a palindrome (45166066154).

The spelling of 45122044000 in words is "forty-five billion, one hundred twenty-two million, forty-four thousand".