142466 has 4 divisors (see below), whose sum is σ = 213702. Its totient is φ = 71232.

The previous prime is 142453. The next prime is 142469. The reversal of 142466 is 664241.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 108241 + 34225 = 329^2 + 185^2 .

It is a super-2 number, since 2×142466² = 40593122312, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (142469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35615 + ... + 35618.

2¹⁴²⁴⁶⁶ is an apocalyptic number.

142466 is a deficient number, since it is larger than the sum of its proper divisors (71236).

142466 is an equidigital number, since it uses as much as digits as its factorization.

142466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71235.

The product of its digits is 1152, while the sum is 23.

The square root of 142466 is about 377.4466849768. The cubic root of 142466 is about 52.2280418711.

The spelling of 142466 in words is "one hundred forty-two thousand, four hundred sixty-six".