45352091 has 2 divisors, whose sum is σ = 45352092. Its totient is φ = 45352090.

The previous prime is 45352079. The next prime is 45352093. The reversal of 45352091 is 19025354.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45352091 - 2¹⁰ = 45351067 is a prime.

It is a Sophie Germain prime.

Together with 45352093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45352093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22676045 + 22676046.

It is an arithmetic number, because the mean of its divisors is an integer number (22676046).

Almost surely, 2^45352091 is an apocalyptic number.

45352091 is a deficient number, since it is larger than the sum of its proper divisors (1).

45352091 is an equidigital number, since it uses as much as digits as its factorization.

45352091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 45352091 is about 6734.3961124959. The cubic root of 45352091 is about 356.6145882367.

The spelling of 45352091 in words is "forty-five million, three hundred fifty-two thousand, ninety-one".