45198287 has 2 divisors, whose sum is σ = 45198288. Its totient is φ = 45198286.

The previous prime is 45198281. The next prime is 45198311. The reversal of 45198287 is 78289154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45198287 - 2¹⁰ = 45197263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45198281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22599143 + 22599144.

It is an arithmetic number, because the mean of its divisors is an integer number (22599144).

Almost surely, 2^45198287 is an apocalyptic number.

45198287 is a deficient number, since it is larger than the sum of its proper divisors (1).

45198287 is an equidigital number, since it uses as much as digits as its factorization.

45198287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 44.

The square root of 45198287 is about 6722.9671276900. The cubic root of 45198287 is about 356.2109988288.

The spelling of 45198287 in words is "forty-five million, one hundred ninety-eight thousand, two hundred eighty-seven".