142299966 has 16 divisors (see below), whose sum is σ = 286092288. Its totient is φ = 47184600.

The previous prime is 142299961. The next prime is 142299967. The reversal of 142299966 is 669992241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142299961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60940 + ... + 63231.

It is an arithmetic number, because the mean of its divisors is an integer number (17880768).

Almost surely, 2^142299966 is an apocalyptic number.

142299966 is an abundant number, since it is smaller than the sum of its proper divisors (143792322).

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

142299966 is a wasteful number, since it uses less digits than its factorization.

142299966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124367.

The product of its digits is 419904, while the sum is 48.

The square root of 142299966 is about 11928.9549416535. The cubic root of 142299966 is about 522.0774462681.

The spelling of 142299966 in words is "one hundred forty-two million, two hundred ninety-nine thousand, nine hundred sixty-six".