142883105 has 4 divisors (see below), whose sum is σ = 171459732. Its totient is φ = 114306480.

The previous prime is 142883099. The next prime is 142883131. The reversal of 142883105 is 501388241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31854736 + 111028369 = 5644^2 + 10537^2 .

It is not a de Polignac number, because 142883105 - 2⁸ = 142882849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14288306 + ... + 14288315.

It is an arithmetic number, because the mean of its divisors is an integer number (42864933).

Almost surely, 2^142883105 is an apocalyptic number.

It is an amenable number.

142883105 is a deficient number, since it is larger than the sum of its proper divisors (28576627).

142883105 is an equidigital number, since it uses as much as digits as its factorization.

142883105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28576626.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 142883105 is about 11953.3721183606. The cubic root of 142883105 is about 522.7896244624.

The spelling of 142883105 in words is "one hundred forty-two million, eight hundred eighty-three thousand, one hundred five".