45142637737 has 2 divisors, whose sum is σ = 45142637738. Its totient is φ = 45142637736.

The previous prime is 45142637723. The next prime is 45142637783. The reversal of 45142637737 is 73773624154.

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., 44020655721 + 1121982016 = 209811^2 + 33496^2 .

It is a cyclic number.

It is not a de Polignac number, because 45142637737 - 2²³ = 45134249129 is a prime.

It is not a weakly prime, because it can be changed into another prime (45142637537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22571318868 + 22571318869.

It is an arithmetic number, because the mean of its divisors is an integer number (22571318869).

Almost surely, 2^45142637737 is an apocalyptic number.

It is an amenable number.

45142637737 is a deficient number, since it is larger than the sum of its proper divisors (1).

45142637737 is an equidigital number, since it uses as much as digits as its factorization.

45142637737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2963520, while the sum is 49.

The spelling of 45142637737 in words is "forty-five billion, one hundred forty-two million, six hundred thirty-seven thousand, seven hundred thirty-seven".