142656630 has 32 divisors (see below), whose sum is σ = 350729568. Its totient is φ = 37113600.

The previous prime is 142656629. The next prime is 142656641. The reversal of 142656630 is 36656241.

It is a junction number, because it is equal to n+sod(n) for n = 142656591 and 142656600.

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, 56761 + ... + 59220.

It is an arithmetic number, because the mean of its divisors is an integer number (10960299).

Almost surely, 2^142656630 is an apocalyptic number.

142656630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142656630 is an abundant number, since it is smaller than the sum of its proper divisors (208072938).

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

142656630 is a wasteful number, since it uses less digits than its factorization.

142656630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116032.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 142656630 is about 11943.8950933102. The cubic root of 142656630 is about 522.5132647747.

The spelling of 142656630 in words is "one hundred forty-two million, six hundred fifty-six thousand, six hundred thirty".