45476009 has 2 divisors, whose sum is σ = 45476010. Its totient is φ = 45476008.

The previous prime is 45475979. The next prime is 45476027. The reversal of 45476009 is 90067454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27793984 + 17682025 = 5272^2 + 4205^2 .

It is a cyclic number.

It is not a de Polignac number, because 45476009 - 2⁸ = 45475753 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45476009.

It is not a weakly prime, because it can be changed into another prime (45476099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22738004 + 22738005.

It is an arithmetic number, because the mean of its divisors is an integer number (22738005).

Almost surely, 2^45476009 is an apocalyptic number.

It is an amenable number.

45476009 is a deficient number, since it is larger than the sum of its proper divisors (1).

45476009 is an equidigital number, since it uses as much as digits as its factorization.

45476009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 45476009 is about 6743.5902159013. The cubic root of 45476009 is about 356.9390920474.

The spelling of 45476009 in words is "forty-five million, four hundred seventy-six thousand, nine".