142452293 has 4 divisors (see below), whose sum is σ = 142486380. Its totient is φ = 142418208.

The previous prime is 142452283. The next prime is 142452301. The reversal of 142452293 is 392254241.

142452293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 392254241 = 1901 ⋅206341.

It can be written as a sum of positive squares in 2 ways, for example, as 49098049 + 93354244 = 7007^2 + 9662^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142452293 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 (142452283) 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, 9728 + ... + 19481.

It is an arithmetic number, because the mean of its divisors is an integer number (35621595).

Almost surely, 2^142452293 is an apocalyptic number.

It is an amenable number.

142452293 is a deficient number, since it is larger than the sum of its proper divisors (34087).

142452293 is an equidigital number, since it uses as much as digits as its factorization.

142452293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34086.

The product of its digits is 17280, while the sum is 32.

The square root of 142452293 is about 11935.3379927005. The cubic root of 142452293 is about 522.2636682177.

The spelling of 142452293 in words is "one hundred forty-two million, four hundred fifty-two thousand, two hundred ninety-three".