142603666 has 8 divisors (see below), whose sum is σ = 213974784. Its totient is φ = 71278740.

The previous prime is 142603663. The next prime is 142603673. The reversal of 142603666 is 666306241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (142603663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2370 + ... + 17053.

It is an arithmetic number, because the mean of its divisors is an integer number (26746848).

Almost surely, 2^142603666 is an apocalyptic number.

142603666 is a deficient number, since it is larger than the sum of its proper divisors (71371118).

142603666 is a wasteful number, since it uses less digits than its factorization.

142603666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23096.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 142603666 is about 11941.6776878293. The cubic root of 142603666 is about 522.4485924256.

The spelling of 142603666 in words is "one hundred forty-two million, six hundred three thousand, six hundred sixty-six".