45054047 has 2 divisors, whose sum is σ = 45054048. Its totient is φ = 45054046.

The previous prime is 45054043. The next prime is 45054077. The reversal of 45054047 is 74045054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45054047 - 2² = 45054043 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45054041) 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, 22527023 + 22527024.

It is an arithmetic number, because the mean of its divisors is an integer number (22527024).

Almost surely, 2^45054047 is an apocalyptic number.

45054047 is a deficient number, since it is larger than the sum of its proper divisors (1).

45054047 is an equidigital number, since it uses as much as digits as its factorization.

45054047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 45054047 is about 6712.2311491783. The cubic root of 45054047 is about 355.8316730424.

The spelling of 45054047 in words is "forty-five million, fifty-four thousand, forty-seven".