142883533 has 8 divisors (see below), whose sum is σ = 156397976. Its totient is φ = 129729600.

The previous prime is 142883513. The next prime is 142883549. The reversal of 142883533 is 335388241.

It can be written as a sum of positive squares in 4 ways, for example, as 8277129 + 134606404 = 2877^2 + 11602^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142883533 - 2¹⁷ = 142752461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142883492 and 142883501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142883513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89298 + ... + 90883.

It is an arithmetic number, because the mean of its divisors is an integer number (19549747).

Almost surely, 2^142883533 is an apocalyptic number.

142883533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

142883533 is a deficient number, since it is larger than the sum of its proper divisors (13514443).

142883533 is a wasteful number, since it uses less digits than its factorization.

142883533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180255.

The product of its digits is 69120, while the sum is 37.

The square root of 142883533 is about 11953.3900212450. The cubic root of 142883533 is about 522.7901464596.

The spelling of 142883533 in words is "one hundred forty-two million, eight hundred eighty-three thousand, five hundred thirty-three".