45122213140 has 24 divisors (see below), whose sum is σ = 95448307752. Its totient is φ = 17917140480.

The previous prime is 45122213113. The next prime is 45122213179. The reversal of 45122213140 is 4131222154.

It can be written as a sum of positive squares in 4 ways, for example, as 2612845456 + 42509367684 = 51116^2 + 206178^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8231241 + ... + 8236720.

It is an arithmetic number, because the mean of its divisors is an integer number (3977012823).

Almost surely, 2^45122213140 is an apocalyptic number.

It is an amenable number.

45122213140 is an abundant number, since it is smaller than the sum of its proper divisors (50326094612).

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

45122213140 is a wasteful number, since it uses less digits than its factorization.

45122213140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16468107 (or 16468105 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 45122213140 its reverse (4131222154), we get a palindrome (49253435294).

The spelling of 45122213140 in words is "forty-five billion, one hundred twenty-two million, two hundred thirteen thousand, one hundred forty".