445041229 has 2 divisors, whose sum is σ = 445041230. Its totient is φ = 445041228.

The previous prime is 445041211. The next prime is 445041257. The reversal of 445041229 is 922140544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 279224100 + 165817129 = 16710^2 + 12877^2 .

It is a cyclic number.

It is not a de Polignac number, because 445041229 - 2⁵ = 445041197 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 445041229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445041829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222520614 + 222520615.

It is an arithmetic number, because the mean of its divisors is an integer number (222520615).

Almost surely, 2^445041229 is an apocalyptic number.

It is an amenable number.

445041229 is a deficient number, since it is larger than the sum of its proper divisors (1).

445041229 is an equidigital number, since it uses as much as digits as its factorization.

445041229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 445041229 is about 21096.0003081153. Note that the first 3 decimals coincide. The cubic root of 445041229 is about 763.4842494886.

The spelling of 445041229 in words is "four hundred forty-five million, forty-one thousand, two hundred twenty-nine".