45230113021 has 2 divisors, whose sum is σ = 45230113022. Its totient is φ = 45230113020.

The previous prime is 45230113007. The next prime is 45230113039. The reversal of 45230113021 is 12031103254.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44378056921 + 852056100 = 210661^2 + 29190^2 .

It is a cyclic number.

It is not a de Polignac number, because 45230113021 - 2⁵ = 45230112989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45230112983 and 45230113001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45230113051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22615056510 + 22615056511.

It is an arithmetic number, because the mean of its divisors is an integer number (22615056511).

Almost surely, 2^45230113021 is an apocalyptic number.

It is an amenable number.

45230113021 is a deficient number, since it is larger than the sum of its proper divisors (1).

45230113021 is an equidigital number, since it uses as much as digits as its factorization.

45230113021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 45230113021 its reverse (12031103254), we get a palindrome (57261216275).

The spelling of 45230113021 in words is "forty-five billion, two hundred thirty million, one hundred thirteen thousand, twenty-one".