45772247 has 2 divisors, whose sum is σ = 45772248. Its totient is φ = 45772246.

The previous prime is 45772217. The next prime is 45772289. The reversal of 45772247 is 74227754.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45772247 - 2⁶ = 45772183 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45772247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45772217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22886123 + 22886124.

It is an arithmetic number, because the mean of its divisors is an integer number (22886124).

Almost surely, 2^45772247 is an apocalyptic number.

45772247 is a deficient number, since it is larger than the sum of its proper divisors (1).

45772247 is an equidigital number, since it uses as much as digits as its factorization.

45772247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 109760, while the sum is 38.

The square root of 45772247 is about 6765.5189749198. The cubic root of 45772247 is about 357.7124679608.

The spelling of 45772247 in words is "forty-five million, seven hundred seventy-two thousand, two hundred forty-seven".