45980009 has 2 divisors, whose sum is σ = 45980010. Its totient is φ = 45980008.

The previous prime is 45979979. The next prime is 45980017. The reversal of 45980009 is 90008954.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45265984 + 714025 = 6728^2 + 845^2 .

It is a cyclic number.

It is not a de Polignac number, because 45980009 - 2¹² = 45975913 is a prime.

It is a super-2 number, since 2×45980009² = 4228322455280162, which contains 22 as substring.

It is equal to p_2773907 and since 45980009 and 2773907 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (45980069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22990004 + 22990005.

It is an arithmetic number, because the mean of its divisors is an integer number (22990005).

Almost surely, 2^45980009 is an apocalyptic number.

It is an amenable number.

45980009 is a deficient number, since it is larger than the sum of its proper divisors (1).

45980009 is an equidigital number, since it uses as much as digits as its factorization.

45980009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 45980009 is about 6780.8560668989. The cubic root of 45980009 is about 358.2528747184.

The spelling of 45980009 in words is "forty-five million, nine hundred eighty thousand, nine".