45512669 has 2 divisors, whose sum is σ = 45512670. Its totient is φ = 45512668.

The previous prime is 45512647. The next prime is 45512683. The reversal of 45512669 is 96621554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37884025 + 7628644 = 6155^2 + 2762^2 .

It is a cyclic number.

It is not a de Polignac number, because 45512669 - 2¹⁶ = 45447133 is a prime.

It is a super-2 number, since 2×45512669² = 4142806079007122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45512869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22756334 + 22756335.

It is an arithmetic number, because the mean of its divisors is an integer number (22756335).

Almost surely, 2^45512669 is an apocalyptic number.

It is an amenable number.

45512669 is a deficient number, since it is larger than the sum of its proper divisors (1).

45512669 is an equidigital number, since it uses as much as digits as its factorization.

45512669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 38.

The square root of 45512669 is about 6746.3078050145. The cubic root of 45512669 is about 357.0349805005.

The spelling of 45512669 in words is "forty-five million, five hundred twelve thousand, six hundred sixty-nine".