142652453 has 4 divisors (see below), whose sum is σ = 142685100. Its totient is φ = 142619808.

The previous prime is 142652441. The next prime is 142652459. The reversal of 142652453 is 354256241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 354256241 = 37 ⋅9574493.

It can be written as a sum of positive squares in 2 ways, for example, as 86731969 + 55920484 = 9313^2 + 7478^2 .

It is a cyclic number.

It is not a de Polignac number, because 142652453 - 2⁸ = 142652197 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 (142652459) 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, 8528 + ... + 18921.

It is an arithmetic number, because the mean of its divisors is an integer number (35671275).

Almost surely, 2^142652453 is an apocalyptic number.

It is an amenable number.

142652453 is a deficient number, since it is larger than the sum of its proper divisors (32647).

142652453 is an equidigital number, since it uses as much as digits as its factorization.

142652453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32646.

The product of its digits is 28800, while the sum is 32.

The square root of 142652453 is about 11943.7202328253. The cubic root of 142652453 is about 522.5081649785.

The spelling of 142652453 in words is "one hundred forty-two million, six hundred fifty-two thousand, four hundred fifty-three".