142242653 has 8 divisors (see below), whose sum is σ = 166528320. Its totient is φ = 118948320.

The previous prime is 142242647. The next prime is 142242671. The reversal of 142242653 is 356242241.

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 142242653 - 2⁴ = 142242637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142242623) 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, 247523 + ... + 248096.

It is an arithmetic number, because the mean of its divisors is an integer number (20816040).

Almost surely, 2^142242653 is an apocalyptic number.

It is an amenable number.

142242653 is a deficient number, since it is larger than the sum of its proper divisors (24285667).

142242653 is an equidigital number, since it uses as much as digits as its factorization.

142242653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495667.

The product of its digits is 11520, while the sum is 29.

The square root of 142242653 is about 11926.5524356370. The cubic root of 142242653 is about 522.0073458937.

Adding to 142242653 its reverse (356242241), we get a palindrome (498484894).

The spelling of 142242653 in words is "one hundred forty-two million, two hundred forty-two thousand, six hundred fifty-three".