45542234321 has 2 divisors, whose sum is σ = 45542234322. Its totient is φ = 45542234320.

The previous prime is 45542234299. The next prime is 45542234329. The reversal of 45542234321 is 12343224554.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45396694225 + 145540096 = 213065^2 + 12064^2 .

It is a cyclic number.

It is not a de Polignac number, because 45542234321 - 2²⁶ = 45475125457 is a prime.

It is not a weakly prime, because it can be changed into another prime (45542234329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22771117160 + 22771117161.

It is an arithmetic number, because the mean of its divisors is an integer number (22771117161).

Almost surely, 2^45542234321 is an apocalyptic number.

It is an amenable number.

45542234321 is a deficient number, since it is larger than the sum of its proper divisors (1).

45542234321 is an equidigital number, since it uses as much as digits as its factorization.

45542234321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115200, while the sum is 35.

Adding to 45542234321 its reverse (12343224554), we get a palindrome (57885458875).

The spelling of 45542234321 in words is "forty-five billion, five hundred forty-two million, two hundred thirty-four thousand, three hundred twenty-one".