45102269 has 2 divisors, whose sum is σ = 45102270. Its totient is φ = 45102268.

The previous prime is 45102251. The next prime is 45102271. The reversal of 45102269 is 96220154.

It is a happy number.

45102269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27352900 + 17749369 = 5230^2 + 4213^2 .

It is a cyclic number.

It is not a de Polignac number, because 45102269 - 2¹² = 45098173 is a prime.

It is a super-2 number, since 2×45102269² = 4068429337896722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 45102271, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45102209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22551134 + 22551135.

It is an arithmetic number, because the mean of its divisors is an integer number (22551135).

Almost surely, 2^45102269 is an apocalyptic number.

It is an amenable number.

45102269 is a deficient number, since it is larger than the sum of its proper divisors (1).

45102269 is an equidigital number, since it uses as much as digits as its factorization.

45102269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 45102269 is about 6715.8222877024. The cubic root of 45102269 is about 355.9585783772.

The spelling of 45102269 in words is "forty-five million, one hundred two thousand, two hundred sixty-nine".