45152215081 has 2 divisors, whose sum is σ = 45152215082. Its totient is φ = 45152215080.

The previous prime is 45152215037. The next prime is 45152215117. The reversal of 45152215081 is 18051225154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40931763856 + 4220451225 = 202316^2 + 64965^2 .

It is a cyclic number.

It is not a de Polignac number, because 45152215081 - 2³⁵ = 10792476713 is a prime.

It is a super-2 number, since 2×45152215081² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45152215021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22576107540 + 22576107541.

It is an arithmetic number, because the mean of its divisors is an integer number (22576107541).

Almost surely, 2^45152215081 is an apocalyptic number.

It is an amenable number.

45152215081 is a deficient number, since it is larger than the sum of its proper divisors (1).

45152215081 is an equidigital number, since it uses as much as digits as its factorization.

45152215081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16000, while the sum is 34.

The spelling of 45152215081 in words is "forty-five billion, one hundred fifty-two million, two hundred fifteen thousand, eighty-one".