142393 has 8 divisors (see below), whose sum is σ = 153216. Its totient is φ = 132000.

The previous prime is 142391. The next prime is 142403. The reversal of 142393 is 393241.

142393 = T₆₂ + T₆₃ + ... + T₁₀₂.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142393 - 2¹ = 142391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142391) 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, 868 + ... + 1018.

It is an arithmetic number, because the mean of its divisors is an integer number (19152).

2¹⁴²³⁹³ is an apocalyptic number.

It is an amenable number.

142393 is a deficient number, since it is larger than the sum of its proper divisors (10823).

142393 is a wasteful number, since it uses less digits than its factorization.

142393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215.

The product of its digits is 648, while the sum is 22.

The square root of 142393 is about 377.3499701868. The cubic root of 142393 is about 52.2191197459.

It can be divided in two parts, 142 and 393, that added together give a palindrome (535).

The spelling of 142393 in words is "one hundred forty-two thousand, three hundred ninety-three".