142146664 has 32 divisors (see below), whose sum is σ = 295106400. Its totient is φ = 63645120.

The previous prime is 142146649. The next prime is 142146671. The reversal of 142146664 is 466641241.

142146664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6159 + ... + 17950.

It is an arithmetic number, because the mean of its divisors is an integer number (9222075).

Almost surely, 2^142146664 is an apocalyptic number.

It is an amenable number.

142146664 is an abundant number, since it is smaller than the sum of its proper divisors (152959736).

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

142146664 is a wasteful number, since it uses less digits than its factorization.

142146664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24193 (or 24189 counting only the distinct ones).

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

The square root of 142146664 is about 11922.5275843673. The cubic root of 142146664 is about 521.8898981440.

The spelling of 142146664 in words is "one hundred forty-two million, one hundred forty-six thousand, six hundred sixty-four".