445507429 has 2 divisors, whose sum is σ = 445507430. Its totient is φ = 445507428.

The previous prime is 445507411. The next prime is 445507451. The reversal of 445507429 is 924705544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 427248900 + 18258529 = 20670^2 + 4273^2 .

It is a cyclic number.

It is not a de Polignac number, because 445507429 - 2⁷ = 445507301 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 445507391 and 445507400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445507409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222753714 + 222753715.

It is an arithmetic number, because the mean of its divisors is an integer number (222753715).

Almost surely, 2^445507429 is an apocalyptic number.

It is an amenable number.

445507429 is a deficient number, since it is larger than the sum of its proper divisors (1).

445507429 is an equidigital number, since it uses as much as digits as its factorization.

445507429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 445507429 is about 21107.0469038186. The cubic root of 445507429 is about 763.7507507473.

The spelling of 445507429 in words is "four hundred forty-five million, five hundred seven thousand, four hundred twenty-nine".