142644462630 has 32 divisors (see below), whose sum is σ = 342625356000. Its totient is φ = 38007562752.

The previous prime is 142644462629. The next prime is 142644462661. The reversal of 142644462630 is 36264446241.

It is a happy number.

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, 1897555 + ... + 1971294.

It is an arithmetic number, because the mean of its divisors is an integer number (10707042375).

Almost surely, 2^142644462630 is an apocalyptic number.

142644462630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142644462630 is an abundant number, since it is smaller than the sum of its proper divisors (199980893370).

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

142644462630 is a wasteful number, since it uses less digits than its factorization.

142644462630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3870088.

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 142644462630 in words is "one hundred forty-two billion, six hundred forty-four million, four hundred sixty-two thousand, six hundred thirty".