45198911 has 2 divisors, whose sum is σ = 45198912. Its totient is φ = 45198910.

The previous prime is 45198889. The next prime is 45198931. The reversal of 45198911 is 11989154.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45198911 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 (45198931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22599455 + 22599456.

It is an arithmetic number, because the mean of its divisors is an integer number (22599456).

Almost surely, 2^45198911 is an apocalyptic number.

45198911 is a deficient number, since it is larger than the sum of its proper divisors (1).

45198911 is an equidigital number, since it uses as much as digits as its factorization.

45198911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 38.

The square root of 45198911 is about 6723.0135356104. The cubic root of 45198911 is about 356.2126380845.

It can be divided in two parts, 4 and 5198911, that added together give a palindrome (5198915).

The spelling of 45198911 in words is "forty-five million, one hundred ninety-eight thousand, nine hundred eleven".