142643262 has 8 divisors (see below), whose sum is σ = 285286536. Its totient is φ = 47547752.

The previous prime is 142643239. The next prime is 142643287. The reversal of 142643262 is 262346241.

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

142643262 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11886933 + ... + 11886944.

It is an arithmetic number, because the mean of its divisors is an integer number (35660817).

Almost surely, 2^142643262 is an apocalyptic number.

142643262 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

142643262 is a wasteful number, since it uses less digits than its factorization.

142643262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23773882.

The product of its digits is 13824, while the sum is 30.

The square root of 142643262 is about 11943.3354637639. The cubic root of 142643262 is about 522.4969431229.

The spelling of 142643262 in words is "one hundred forty-two million, six hundred forty-three thousand, two hundred sixty-two".