45293187757 has 2 divisors, whose sum is σ = 45293187758. Its totient is φ = 45293187756.

The previous prime is 45293187739. The next prime is 45293187767. The reversal of 45293187757 is 75778139254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45192807396 + 100380361 = 212586^2 + 10019^2 .

It is a cyclic number.

It is not a de Polignac number, because 45293187757 - 2⁷ = 45293187629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45293187707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22646593878 + 22646593879.

It is an arithmetic number, because the mean of its divisors is an integer number (22646593879).

Almost surely, 2^45293187757 is an apocalyptic number.

It is an amenable number.

45293187757 is a deficient number, since it is larger than the sum of its proper divisors (1).

45293187757 is an equidigital number, since it uses as much as digits as its factorization.

45293187757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14817600, while the sum is 58.

The spelling of 45293187757 in words is "forty-five billion, two hundred ninety-three million, one hundred eighty-seven thousand, seven hundred fifty-seven".