142007283 has 16 divisors (see below), whose sum is σ = 229507200. Its totient is φ = 86064840.

The previous prime is 142007279. The next prime is 142007291. The reversal of 142007283 is 382700241.

It is not a de Polignac number, because 142007283 - 2² = 142007279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (142007293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238773 + ... + 239366.

It is an arithmetic number, because the mean of its divisors is an integer number (14344200).

Almost surely, 2^142007283 is an apocalyptic number.

142007283 is a deficient number, since it is larger than the sum of its proper divisors (87499917).

142007283 is a wasteful number, since it uses less digits than its factorization.

142007283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478159 (or 478153 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 142007283 is about 11916.6808717864. The cubic root of 142007283 is about 521.7192637626.

The spelling of 142007283 in words is "one hundred forty-two million, seven thousand, two hundred eighty-three".