142653 has 8 divisors (see below), whose sum is σ = 217408. Its totient is φ = 81504.

The previous prime is 142619. The next prime is 142657. The reversal of 142653 is 356241.

It is a happy number.

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

It is not a de Polignac number, because 142653 - 2⁶ = 142589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 6793 = 142653 / (1 + 4 + 2 + 6 + 5 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142657) 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, 3376 + ... + 3417.

It is an arithmetic number, because the mean of its divisors is an integer number (27176).

2¹⁴²⁶⁵³ is an apocalyptic number.

It is an amenable number.

142653 is a deficient number, since it is larger than the sum of its proper divisors (74755).

142653 is an equidigital number, since it uses as much as digits as its factorization.

142653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6803.

The product of its digits is 720, while the sum is 21.

The square root of 142653 is about 377.6943208469. The cubic root of 142653 is about 52.2508832829.

Adding to 142653 its reverse (356241), we get a palindrome (498894).

The spelling of 142653 in words is "one hundred forty-two thousand, six hundred fifty-three".