45245869 has 2 divisors, whose sum is σ = 45245870. Its totient is φ = 45245868.

The previous prime is 45245831. The next prime is 45245881. The reversal of 45245869 is 96854254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40793769 + 4452100 = 6387^2 + 2110^2 .

It is a cyclic number.

It is not a de Polignac number, because 45245869 - 2⁷ = 45245741 is a prime.

It is a super-2 number, since 2×45245869² = 4094377323130322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45245969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22622934 + 22622935.

It is an arithmetic number, because the mean of its divisors is an integer number (22622935).

Almost surely, 2^45245869 is an apocalyptic number.

It is an amenable number.

45245869 is a deficient number, since it is larger than the sum of its proper divisors (1).

45245869 is an equidigital number, since it uses as much as digits as its factorization.

45245869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 43.

The square root of 45245869 is about 6726.5049617167. The cubic root of 45245869 is about 356.3359540623.

The spelling of 45245869 in words is "forty-five million, two hundred forty-five thousand, eight hundred sixty-nine".