45014009 has 2 divisors, whose sum is σ = 45014010. Its totient is φ = 45014008.

The previous prime is 45013993. The next prime is 45014027. The reversal of 45014009 is 90041054.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27331984 + 17682025 = 5228^2 + 4205^2 .

It is a cyclic number.

It is not a de Polignac number, because 45014009 - 2⁴ = 45013993 is a prime.

It is a super-2 number, since 2×45014009² = 4052522012504162, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (45014029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22507004 + 22507005.

It is an arithmetic number, because the mean of its divisors is an integer number (22507005).

Almost surely, 2^45014009 is an apocalyptic number.

It is an amenable number.

45014009 is a deficient number, since it is larger than the sum of its proper divisors (1).

45014009 is an equidigital number, since it uses as much as digits as its factorization.

45014009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 45014009 is about 6709.2480204565. The cubic root of 45014009 is about 355.7262366331.

The spelling of 45014009 in words is "forty-five million, fourteen thousand, nine".