45212360189 has 2 divisors, whose sum is σ = 45212360190. Its totient is φ = 45212360188.

The previous prime is 45212360143. The next prime is 45212360287. The reversal of 45212360189 is 98106321254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32812424164 + 12399936025 = 181142^2 + 111355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45212360189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45212390189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22606180094 + 22606180095.

It is an arithmetic number, because the mean of its divisors is an integer number (22606180095).

Almost surely, 2^45212360189 is an apocalyptic number.

It is an amenable number.

45212360189 is a deficient number, since it is larger than the sum of its proper divisors (1).

45212360189 is an equidigital number, since it uses as much as digits as its factorization.

45212360189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 45212360189 in words is "forty-five billion, two hundred twelve million, three hundred sixty thousand, one hundred eighty-nine".