142064286 has 32 divisors (see below), whose sum is σ = 349698048. Its totient is φ = 37467360.

The previous prime is 142064281. The next prime is 142064323. The reversal of 142064286 is 682460241.

It is a super-2 number, since 2×142064286² = 40364522713379592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142064281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129550 + ... + 130641.

It is an arithmetic number, because the mean of its divisors is an integer number (10928064).

Almost surely, 2^142064286 is an apocalyptic number.

142064286 is an abundant number, since it is smaller than the sum of its proper divisors (207633762).

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

142064286 is a wasteful number, since it uses less digits than its factorization.

142064286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260216.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 142064286 is about 11919.0723632336. The cubic root of 142064286 is about 521.7890620250.

The spelling of 142064286 in words is "one hundred forty-two million, sixty-four thousand, two hundred eighty-six".