45515269 has 2 divisors, whose sum is σ = 45515270. Its totient is φ = 45515268.

The previous prime is 45515257. The next prime is 45515293. The reversal of 45515269 is 96251554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44222500 + 1292769 = 6650^2 + 1137^2 .

It is a cyclic number.

It is not a de Polignac number, because 45515269 - 2²¹ = 43418117 is a prime.

It is a super-2 number, since 2×45515269² = 4143279424284722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45515219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22757634 + 22757635.

It is an arithmetic number, because the mean of its divisors is an integer number (22757635).

Almost surely, 2^45515269 is an apocalyptic number.

It is an amenable number.

45515269 is a deficient number, since it is larger than the sum of its proper divisors (1).

45515269 is an equidigital number, since it uses as much as digits as its factorization.

45515269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54000, while the sum is 37.

The square root of 45515269 is about 6746.5005002594. The cubic root of 45515269 is about 357.0417791443.

The spelling of 45515269 in words is "forty-five million, five hundred fifteen thousand, two hundred sixty-nine".