142784966 has 32 divisors (see below), whose sum is σ = 230059008. Its totient is φ = 66306240.

The previous prime is 142784959. The next prime is 142784969. The reversal of 142784966 is 669487241.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 142784966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142784969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456026 + ... + 456338.

It is an arithmetic number, because the mean of its divisors is an integer number (7189344).

Almost surely, 2^142784966 is an apocalyptic number.

142784966 is a deficient number, since it is larger than the sum of its proper divisors (87274042).

142784966 is a wasteful number, since it uses less digits than its factorization.

142784966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596.

The product of its digits is 580608, while the sum is 47.

The square root of 142784966 is about 11949.2663373113. The cubic root of 142784966 is about 522.6699046818.

The spelling of 142784966 in words is "one hundred forty-two million, seven hundred eighty-four thousand, nine hundred sixty-six".