142966 has 4 divisors (see below), whose sum is σ = 214452. Its totient is φ = 71482.

The previous prime is 142963. The next prime is 142969. The reversal of 142966 is 669241.

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

It is an interprime number because it is at equal distance from previous prime (142963) and next prime (142969).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35740 + ... + 35743.

It is an arithmetic number, because the mean of its divisors is an integer number (53613).

2¹⁴²⁹⁶⁶ is an apocalyptic number.

142966 is a deficient number, since it is larger than the sum of its proper divisors (71486).

142966 is an equidigital number, since it uses as much as digits as its factorization.

142966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71485.

The product of its digits is 2592, while the sum is 28.

The square root of 142966 is about 378.1084500510. The cubic root of 142966 is about 52.2890705384.

The spelling of 142966 in words is "one hundred forty-two thousand, nine hundred sixty-six".