142663000 has 64 divisors (see below), whose sum is σ = 336117600. Its totient is φ = 56675200.

The previous prime is 142662983. The next prime is 142663021. The reversal of 142663000 is 366241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178602 + ... + 179398.

Almost surely, 2^142663000 is an apocalyptic number.

142663000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142663000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168058800).

142663000 is an abundant number, since it is smaller than the sum of its proper divisors (193454600).

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

142663000 is a wasteful number, since it uses less digits than its factorization.

142663000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997 (or 983 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 142663000 is about 11944.1617537607. The cubic root of 142663000 is about 522.5210418638.

The spelling of 142663000 in words is "one hundred forty-two million, six hundred sixty-three thousand".