45518269 has 2 divisors, whose sum is σ = 45518270. Its totient is φ = 45518268.

The previous prime is 45518257. The next prime is 45518287. The reversal of 45518269 is 96281554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38601369 + 6916900 = 6213^2 + 2630^2 .

It is a cyclic number.

It is not a de Polignac number, because 45518269 - 2⁵ = 45518237 is a prime.

It is a super-2 number, since 2×45518269² = 4143825625512722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45513269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22759134 + 22759135.

It is an arithmetic number, because the mean of its divisors is an integer number (22759135).

Almost surely, 2^45518269 is an apocalyptic number.

It is an amenable number.

45518269 is a deficient number, since it is larger than the sum of its proper divisors (1).

45518269 is an equidigital number, since it uses as much as digits as its factorization.

45518269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 40.

The square root of 45518269 is about 6746.7228340877. The cubic root of 45518269 is about 357.0496234116.

The spelling of 45518269 in words is "forty-five million, five hundred eighteen thousand, two hundred sixty-nine".