45132230281 has 2 divisors, whose sum is σ = 45132230282. Its totient is φ = 45132230280.

The previous prime is 45132230267. The next prime is 45132230347. The reversal of 45132230281 is 18203223154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41405738256 + 3726492025 = 203484^2 + 61045^2 .

It is a cyclic number.

It is not a de Polignac number, because 45132230281 - 2⁷ = 45132230153 is a prime.

It is a super-2 number, since 2×45132230281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45132230251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22566115140 + 22566115141.

It is an arithmetic number, because the mean of its divisors is an integer number (22566115141).

Almost surely, 2^45132230281 is an apocalyptic number.

It is an amenable number.

45132230281 is a deficient number, since it is larger than the sum of its proper divisors (1).

45132230281 is an equidigital number, since it uses as much as digits as its factorization.

45132230281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 45132230281 in words is "forty-five billion, one hundred thirty-two million, two hundred thirty thousand, two hundred eighty-one".