142833889 has 8 divisors (see below), whose sum is σ = 156401280. Its totient is φ = 129363600.

The previous prime is 142833869. The next prime is 142833913. The reversal of 142833889 is 988338241.

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

It is a cyclic number.

It is not a de Polignac number, because 142833889 - 2⁵ = 142833857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142833829) 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, 21177 + ... + 27094.

It is an arithmetic number, because the mean of its divisors is an integer number (19550160).

Almost surely, 2^142833889 is an apocalyptic number.

It is an amenable number.

142833889 is a deficient number, since it is larger than the sum of its proper divisors (13567391).

142833889 is a wasteful number, since it uses less digits than its factorization.

142833889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48551.

The product of its digits is 331776, while the sum is 46.

The square root of 142833889 is about 11951.3132751175. The cubic root of 142833889 is about 522.7295927115.

The spelling of 142833889 in words is "one hundred forty-two million, eight hundred thirty-three thousand, eight hundred eighty-nine".