42283129 has 6 divisors (see below), whose sum is σ = 49186554. Its totient is φ = 36242640.

The previous prime is 42283093. The next prime is 42283141. The reversal of 42283129 is 92138224.

It can be written as a sum of positive squares in only one way, i.e., 34245904 + 8037225 = 5852^2 + 2835^2 .

It is not a de Polignac number, because 42283129 - 2¹¹ = 42281081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42283129.

It is not an unprimeable number, because it can be changed into a prime (42283159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 431412 + ... + 431509.

It is an arithmetic number, because the mean of its divisors is an integer number (8197759).

Almost surely, 2^42283129 is an apocalyptic number.

42283129 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

42283129 is a deficient number, since it is larger than the sum of its proper divisors (6903425).

42283129 is an equidigital number, since it uses as much as digits as its factorization.

42283129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862935 (or 862928 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 42283129 is about 6502.5478852524. The cubic root of 42283129 is about 348.3819983950.

The spelling of 42283129 in words is "forty-two million, two hundred eighty-three thousand, one hundred twenty-nine".