142866650 has 12 divisors (see below), whose sum is σ = 265732062. Its totient is φ = 57146640.

The previous prime is 142866649. The next prime is 142866653. The reversal of 142866650 is 56668241.

142866650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 69438889 + 73427761 = 8333^2 + 8569^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (142866653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1428617 + ... + 1428716.

Almost surely, 2^142866650 is an apocalyptic number.

142866650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142866650 is a deficient number, since it is larger than the sum of its proper divisors (122865412).

142866650 is a wasteful number, since it uses less digits than its factorization.

142866650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857345 (or 2857340 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 142866650 is about 11952.6837990470. The cubic root of 142866650 is about 522.7695548315.

The spelling of 142866650 in words is "one hundred forty-two million, eight hundred sixty-six thousand, six hundred fifty".