45136009 has 2 divisors, whose sum is σ = 45136010. Its totient is φ = 45136008.

The previous prime is 45135997. The next prime is 45136073. The reversal of 45136009 is 90063154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29160000 + 15976009 = 5400^2 + 3997^2 .

It is a cyclic number.

It is not a de Polignac number, because 45136009 - 2¹⁷ = 45004937 is a prime.

It is equal to p_2725930 and since 45136009 and 2725930 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 (45130009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22568004 + 22568005.

It is an arithmetic number, because the mean of its divisors is an integer number (22568005).

Almost surely, 2^45136009 is an apocalyptic number.

It is an amenable number.

45136009 is a deficient number, since it is larger than the sum of its proper divisors (1).

45136009 is an equidigital number, since it uses as much as digits as its factorization.

45136009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 45136009 is about 6718.3337964111. Note that the first 3 decimals coincide. The cubic root of 45136009 is about 356.0473178068.

The spelling of 45136009 in words is "forty-five million, one hundred thirty-six thousand, nine".