142146663 has 4 divisors (see below), whose sum is σ = 189528888. Its totient is φ = 94764440.

The previous prime is 142146649. The next prime is 142146671. The reversal of 142146663 is 366641241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142146663 - 2¹³ = 142138471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142141663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23691108 + ... + 23691113.

It is an arithmetic number, because the mean of its divisors is an integer number (47382222).

Almost surely, 2^142146663 is an apocalyptic number.

142146663 is a deficient number, since it is larger than the sum of its proper divisors (47382225).

142146663 is an equidigital number, since it uses as much as digits as its factorization.

142146663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47382224.

The product of its digits is 20736, while the sum is 33.

The square root of 142146663 is about 11922.5275424299. The cubic root of 142146663 is about 521.8898969202.

It can be divided in two parts, 1421 and 46663, that added together give a palindrome (48084).

The spelling of 142146663 in words is "one hundred forty-two million, one hundred forty-six thousand, six hundred sixty-three".