142285308 has 96 divisors (see below), whose sum is σ = 386830080. Its totient is φ = 40227840.

The previous prime is 142285307. The next prime is 142285327. The reversal of 142285308 is 803582241.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142285303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 365578 + ... + 365966.

It is an arithmetic number, because the mean of its divisors is an integer number (4029480).

Almost surely, 2^142285308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142285308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193415040).

142285308 is an abundant number, since it is smaller than the sum of its proper divisors (244544772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142285308 is a wasteful number, since it uses less digits than its factorization.

142285308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 142285308 is about 11928.3405383985. The cubic root of 142285308 is about 522.0595196441.

The spelling of 142285308 in words is "one hundred forty-two million, two hundred eighty-five thousand, three hundred eight".