45214249 has 2 divisors, whose sum is σ = 45214250. Its totient is φ = 45214248.

The previous prime is 45214231. The next prime is 45214261. The reversal of 45214249 is 94241254.

45214249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44983849 + 230400 = 6707^2 + 480^2 .

It is a cyclic number.

It is not a de Polignac number, because 45214249 - 2⁷ = 45214121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45214249.

It is not a weakly prime, because it can be changed into another prime (45214289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22607124 + 22607125.

It is an arithmetic number, because the mean of its divisors is an integer number (22607125).

Almost surely, 2^45214249 is an apocalyptic number.

It is an amenable number.

45214249 is a deficient number, since it is larger than the sum of its proper divisors (1).

45214249 is an equidigital number, since it uses as much as digits as its factorization.

45214249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 31.

The square root of 45214249 is about 6724.1541475490. The cubic root of 45214249 is about 356.2529264559.

The spelling of 45214249 in words is "forty-five million, two hundred fourteen thousand, two hundred forty-nine".