445042093 has 2 divisors, whose sum is σ = 445042094. Its totient is φ = 445042092.

The previous prime is 445042079. The next prime is 445042123. The reversal of 445042093 is 390240544.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 301473769 + 143568324 = 17363^2 + 11982^2 .

It is a cyclic number.

It is not a de Polignac number, because 445042093 - 2⁵ = 445042061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445042043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222521046 + 222521047.

It is an arithmetic number, because the mean of its divisors is an integer number (222521047).

Almost surely, 2^445042093 is an apocalyptic number.

It is an amenable number.

445042093 is a deficient number, since it is larger than the sum of its proper divisors (1).

445042093 is an equidigital number, since it uses as much as digits as its factorization.

445042093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 445042093 is about 21096.0207859207. The cubic root of 445042093 is about 763.4847435626.

The spelling of 445042093 in words is "four hundred forty-five million, forty-two thousand, ninety-three".