45307122242 has 18 divisors (see below), whose sum is σ = 69677670297. Its totient is φ = 22095014800.

The previous prime is 45307122241. The next prime is 45307122251. The reversal of 45307122242 is 24222170354.

It can be written as a sum of positive squares in 2 ways, for example, as 32356454641 + 12950667601 = 179879^2 + 113801^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=150511.

It is a super-2 number, since 2×45307122242² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45307122199 and 45307122208.

It is not an unprimeable number, because it can be changed into a prime (45307122241) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12340067 + ... + 12343737.

Almost surely, 2^45307122242 is an apocalyptic number.

45307122242 is a deficient number, since it is larger than the sum of its proper divisors (24370548055).

45307122242 is an frugal number, since it uses more digits than its factorization.

45307122242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7426 (or 3714 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

Multiplying 45307122242 by its sum of digits (32), we get a square (1449827911744 = 1204088²).

Adding to 45307122242 its reverse (24222170354), we get a palindrome (69529292596).

The spelling of 45307122242 in words is "forty-five billion, three hundred seven million, one hundred twenty-two thousand, two hundred forty-two".