142852653 has 18 divisors (see below), whose sum is σ = 214277934. Its totient is φ = 95230728.

The previous prime is 142852627. The next prime is 142852669. The reversal of 142852653 is 356258241.

It can be written as a sum of positive squares in only one way, i.e., 97653924 + 45198729 = 9882^2 + 6723^2 .

It is not a de Polignac number, because 142852653 - 2⁸ = 142852397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142852253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4326 + ... + 17447.

Almost surely, 2^142852653 is an apocalyptic number.

It is an amenable number.

142852653 is a deficient number, since it is larger than the sum of its proper divisors (71425281).

142852653 is an frugal number, since it uses more digits than its factorization.

142852653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21797 (or 21776 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 142852653 is about 11952.0982676683. The cubic root of 142852653 is about 522.7524819307.

The spelling of 142852653 in words is "one hundred forty-two million, eight hundred fifty-two thousand, six hundred fifty-three".