45380689 has 2 divisors, whose sum is σ = 45380690. Its totient is φ = 45380688.

The previous prime is 45380659. The next prime is 45380707. The reversal of 45380689 is 98608354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35820225 + 9560464 = 5985^2 + 3092^2 .

It is a cyclic number.

It is not a de Polignac number, because 45380689 - 2⁹ = 45380177 is a prime.

It is a super-2 number, since 2×45380689² = 4118813868229442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45380639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22690344 + 22690345.

It is an arithmetic number, because the mean of its divisors is an integer number (22690345).

Almost surely, 2^45380689 is an apocalyptic number.

It is an amenable number.

45380689 is a deficient number, since it is larger than the sum of its proper divisors (1).

45380689 is an equidigital number, since it uses as much as digits as its factorization.

45380689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 45380689 is about 6736.5190566048. The cubic root of 45380689 is about 356.6895301771.

The spelling of 45380689 in words is "forty-five million, three hundred eighty thousand, six hundred eighty-nine".