442545029 has 2 divisors, whose sum is σ = 442545030. Its totient is φ = 442545028.

The previous prime is 442545023. The next prime is 442545041. The reversal of 442545029 is 920545244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 316768804 + 125776225 = 17798^2 + 11215^2 .

It is a cyclic number.

It is not a de Polignac number, because 442545029 - 2⁴ = 442545013 is a prime.

It is a super-2 number, since 2×442545029² = 391692205385221682, which contains 22 as substring.

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 442545029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442545023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221272514 + 221272515.

It is an arithmetic number, because the mean of its divisors is an integer number (221272515).

Almost surely, 2^442545029 is an apocalyptic number.

It is an amenable number.

442545029 is a deficient number, since it is larger than the sum of its proper divisors (1).

442545029 is an equidigital number, since it uses as much as digits as its factorization.

442545029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 442545029 is about 21036.7542410896. The cubic root of 442545029 is about 762.0541320219.

The spelling of 442545029 in words is "four hundred forty-two million, five hundred forty-five thousand, twenty-nine".