45777247 has 2 divisors, whose sum is σ = 45777248. Its totient is φ = 45777246.

The previous prime is 45777229. The next prime is 45777257. The reversal of 45777247 is 74277754.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45777247 - 2⁷ = 45777119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45777257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22888623 + 22888624.

It is an arithmetic number, because the mean of its divisors is an integer number (22888624).

Almost surely, 2^45777247 is an apocalyptic number.

45777247 is a deficient number, since it is larger than the sum of its proper divisors (1).

45777247 is an equidigital number, since it uses as much as digits as its factorization.

45777247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384160, while the sum is 43.

The square root of 45777247 is about 6765.8884856314. Note that the first 3 decimals coincide. The cubic root of 45777247 is about 357.7254925724.

The spelling of 45777247 in words is "forty-five million, seven hundred seventy-seven thousand, two hundred forty-seven".