445240093 has 2 divisors, whose sum is σ = 445240094. Its totient is φ = 445240092.

The previous prime is 445240063. The next prime is 445240099. The reversal of 445240093 is 390042544.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 442765764 + 2474329 = 21042^2 + 1573^2 .

It is a cyclic number.

It is not a de Polignac number, because 445240093 - 2²⁵ = 411685661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445240099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222620046 + 222620047.

It is an arithmetic number, because the mean of its divisors is an integer number (222620047).

Almost surely, 2^445240093 is an apocalyptic number.

It is an amenable number.

445240093 is a deficient number, since it is larger than the sum of its proper divisors (1).

445240093 is an equidigital number, since it uses as much as digits as its factorization.

445240093 is an odious number, because the sum of its binary digits is odd.

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

The square root of 445240093 is about 21100.7130922156. The cubic root of 445240093 is about 763.5979520048.

The spelling of 445240093 in words is "four hundred forty-five million, two hundred forty thousand, ninety-three".