45544091 has 2 divisors, whose sum is σ = 45544092. Its totient is φ = 45544090.

The previous prime is 45544087. The next prime is 45544111. The reversal of 45544091 is 19044554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45544091 - 2² = 45544087 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45544001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22772045 + 22772046.

It is an arithmetic number, because the mean of its divisors is an integer number (22772046).

Almost surely, 2^45544091 is an apocalyptic number.

45544091 is a deficient number, since it is larger than the sum of its proper divisors (1).

45544091 is an equidigital number, since it uses as much as digits as its factorization.

45544091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 45544091 is about 6748.6362326029. The cubic root of 45544091 is about 357.1171273883.

The spelling of 45544091 in words is "forty-five million, five hundred forty-four thousand, ninety-one".