45042250501 has 2 divisors, whose sum is σ = 45042250502. Its totient is φ = 45042250500.

The previous prime is 45042250493. The next prime is 45042250523. The reversal of 45042250501 is 10505224054.

45042250501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44658678276 + 383572225 = 211326^2 + 19585^2 .

It is a cyclic number.

It is not a de Polignac number, because 45042250501 - 2³ = 45042250493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45042250501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45042250571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22521125250 + 22521125251.

It is an arithmetic number, because the mean of its divisors is an integer number (22521125251).

Almost surely, 2^45042250501 is an apocalyptic number.

It is an amenable number.

45042250501 is a deficient number, since it is larger than the sum of its proper divisors (1).

45042250501 is an equidigital number, since it uses as much as digits as its factorization.

45042250501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 45042250501 its reverse (10505224054), we get a palindrome (55547474555).

The spelling of 45042250501 in words is "forty-five billion, forty-two million, two hundred fifty thousand, five hundred one".