45040847 has 2 divisors, whose sum is σ = 45040848. Its totient is φ = 45040846.

The previous prime is 45040843. The next prime is 45040859. The reversal of 45040847 is 74804054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45040847 - 2² = 45040843 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45040843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22520423 + 22520424.

It is an arithmetic number, because the mean of its divisors is an integer number (22520424).

Almost surely, 2^45040847 is an apocalyptic number.

45040847 is a deficient number, since it is larger than the sum of its proper divisors (1).

45040847 is an equidigital number, since it uses as much as digits as its factorization.

45040847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 45040847 is about 6711.2477975411. The cubic root of 45040847 is about 355.7969189549.

The spelling of 45040847 in words is "forty-five million, forty thousand, eight hundred forty-seven".