445343933 has 2 divisors, whose sum is σ = 445343934. Its totient is φ = 445343932.

The previous prime is 445343929. The next prime is 445343939. The reversal of 445343933 is 339343544.

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., 355435609 + 89908324 = 18853^2 + 9482^2 .

It is a cyclic number.

It is not a de Polignac number, because 445343933 - 2² = 445343929 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445343939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222671966 + 222671967.

It is an arithmetic number, because the mean of its divisors is an integer number (222671967).

Almost surely, 2^445343933 is an apocalyptic number.

It is an amenable number.

445343933 is a deficient number, since it is larger than the sum of its proper divisors (1).

445343933 is an equidigital number, since it uses as much as digits as its factorization.

445343933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 38.

The square root of 445343933 is about 21103.1735291164. The cubic root of 445343933 is about 763.6573101273.

The spelling of 445343933 in words is "four hundred forty-five million, three hundred forty-three thousand, nine hundred thirty-three".