45287197 has 2 divisors, whose sum is σ = 45287198. Its totient is φ = 45287196.

The previous prime is 45287191. The next prime is 45287219. The reversal of 45287197 is 79178254.

45287197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35117476 + 10169721 = 5926^2 + 3189^2 .

It is a cyclic number.

It is not a de Polignac number, because 45287197 - 2³ = 45287189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45287191) 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, 22643598 + 22643599.

It is an arithmetic number, because the mean of its divisors is an integer number (22643599).

Almost surely, 2^45287197 is an apocalyptic number.

It is an amenable number.

45287197 is a deficient number, since it is larger than the sum of its proper divisors (1).

45287197 is an equidigital number, since it uses as much as digits as its factorization.

45287197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 43.

The square root of 45287197 is about 6729.5762868103. The cubic root of 45287197 is about 356.4444145773. Note that the first 4 decimals are identical.

The spelling of 45287197 in words is "forty-five million, two hundred eighty-seven thousand, one hundred ninety-seven".