• 142672² = 20355299584 is an anagram of the next square 142673² = 20355584929.

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142672 has 20 divisors (see below), whose sum is σ = 285076. Its totient is φ = 69120.

The previous prime is 142657. The next prime is 142673. The reversal of 142672 is 276241.

It can be written as a sum of positive squares in 2 ways, for example, as 118336 + 24336 = 344^2 + 156^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142673) by changing a digit.

142672 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472 + ... + 712.

2¹⁴²⁶⁷² is an apocalyptic number.

It is an amenable number.

142672 is a deficient number, since it is larger than the sum of its proper divisors (142404).

142672 is a wasteful number, since it uses less digits than its factorization.

142672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 280 counting only the distinct ones).

The product of its digits is 672, while the sum is 22.

The square root of 142672 is about 377.7194726249. The cubic root of 142672 is about 52.2532029507.

The spelling of 142672 in words is "one hundred forty-two thousand, six hundred seventy-two".