142863622 has 32 divisors (see below), whose sum is σ = 248054400. Its totient is φ = 61027200.

The previous prime is 142863547. The next prime is 142863683. The reversal of 142863622 is 226368241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53454 + ... + 56062.

It is an arithmetic number, because the mean of its divisors is an integer number (7751700).

Almost surely, 2^142863622 is an apocalyptic number.

142863622 is a deficient number, since it is larger than the sum of its proper divisors (105190778).

142863622 is a wasteful number, since it uses less digits than its factorization.

142863622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2772.

The product of its digits is 27648, while the sum is 34.

The square root of 142863622 is about 11952.5571322625. The cubic root of 142863622 is about 522.7658615101.

The spelling of 142863622 in words is "one hundred forty-two million, eight hundred sixty-three thousand, six hundred twenty-two".