45009407 has 2 divisors, whose sum is σ = 45009408. Its totient is φ = 45009406.

The previous prime is 45009403. The next prime is 45009449. The reversal of 45009407 is 70490054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45009407 - 2² = 45009403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45009407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45009403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22504703 + 22504704.

It is an arithmetic number, because the mean of its divisors is an integer number (22504704).

Almost surely, 2^45009407 is an apocalyptic number.

45009407 is a deficient number, since it is larger than the sum of its proper divisors (1).

45009407 is an equidigital number, since it uses as much as digits as its factorization.

45009407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 45009407 is about 6708.9050522421. The cubic root of 45009407 is about 355.7141136816.

The spelling of 45009407 in words is "forty-five million, nine thousand, four hundred seven".