142944862 has 8 divisors (see below), whose sum is σ = 223739856. Its totient is φ = 68364912.

The previous prime is 142944853. The next prime is 142944913. The reversal of 142944862 is 268449241.

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

It is a super-3 number, since 3×142944862³ (a number of 25 digits) contains 333 as substring.

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, 1553703 + ... + 1553794.

It is an arithmetic number, because the mean of its divisors is an integer number (27967482).

Almost surely, 2^142944862 is an apocalyptic number.

142944862 is a deficient number, since it is larger than the sum of its proper divisors (80794994).

142944862 is a wasteful number, since it uses less digits than its factorization.

142944862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3107522.

The product of its digits is 110592, while the sum is 40.

The square root of 142944862 is about 11955.9550852284. The cubic root of 142944862 is about 522.8649337357.

The spelling of 142944862 in words is "one hundred forty-two million, nine hundred forty-four thousand, eight hundred sixty-two".