45867191 has 2 divisors, whose sum is σ = 45867192. Its totient is φ = 45867190.

The previous prime is 45867187. The next prime is 45867209. The reversal of 45867191 is 19176854.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45867191 - 2² = 45867187 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 (45869191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22933595 + 22933596.

It is an arithmetic number, because the mean of its divisors is an integer number (22933596).

Almost surely, 2^45867191 is an apocalyptic number.

45867191 is a deficient number, since it is larger than the sum of its proper divisors (1).

45867191 is an equidigital number, since it uses as much as digits as its factorization.

45867191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 41.

The square root of 45867191 is about 6772.5320966386. The cubic root of 45867191 is about 357.9596278974.

The spelling of 45867191 in words is "forty-five million, eight hundred sixty-seven thousand, one hundred ninety-one".