45312358081 has 2 divisors, whose sum is σ = 45312358082. Its totient is φ = 45312358080.

The previous prime is 45312358057. The next prime is 45312358111. The reversal of 45312358081 is 18085321354.

45312358081 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., 41969668225 + 3342689856 = 204865^2 + 57816^2 .

It is a cyclic number.

It is not a de Polignac number, because 45312358081 - 2¹³ = 45312349889 is a prime.

It is a super-2 number, since 2×45312358081² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45312358051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22656179040 + 22656179041.

It is an arithmetic number, because the mean of its divisors is an integer number (22656179041).

Almost surely, 2^45312358081 is an apocalyptic number.

It is an amenable number.

45312358081 is a deficient number, since it is larger than the sum of its proper divisors (1).

45312358081 is an equidigital number, since it uses as much as digits as its factorization.

45312358081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 45312358081 in words is "forty-five billion, three hundred twelve million, three hundred fifty-eight thousand, eighty-one".