142500653 has 4 divisors (see below), whose sum is σ = 146352060. Its totient is φ = 138649248.

The previous prime is 142500629. The next prime is 142500661. The reversal of 142500653 is 356005241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 114854089 + 27646564 = 10717^2 + 5258^2 .

It is a cyclic number.

It is not a de Polignac number, because 142500653 - 2¹⁴ = 142484269 is a prime.

It is a super-2 number, since 2×142500653² = 40612872210852818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142590653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1925648 + ... + 1925721.

It is an arithmetic number, because the mean of its divisors is an integer number (36588015).

Almost surely, 2^142500653 is an apocalyptic number.

It is an amenable number.

142500653 is a deficient number, since it is larger than the sum of its proper divisors (3851407).

142500653 is an equidigital number, since it uses as much as digits as its factorization.

142500653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3851406.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 142500653 is about 11937.3637374422. The cubic root of 142500653 is about 522.3227612491.

Adding to 142500653 its reverse (356005241), we get a palindrome (498505894).

The spelling of 142500653 in words is "one hundred forty-two million, five hundred thousand, six hundred fifty-three".