142053193 has 4 divisors (see below), whose sum is σ = 142084228. Its totient is φ = 142022160.

The previous prime is 142053187. The next prime is 142053203. The reversal of 142053193 is 391350241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 391350241 = 9343 ⋅41887.

It can be written as a sum of positive squares in 2 ways, for example, as 56731024 + 85322169 = 7532^2 + 9237^2 .

It is a cyclic number.

It is not a de Polignac number, because 142053193 - 2⁵ = 142053161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142053103) 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, 7146 + ... + 18307.

It is an arithmetic number, because the mean of its divisors is an integer number (35521057).

Almost surely, 2^142053193 is an apocalyptic number.

It is an amenable number.

142053193 is a deficient number, since it is larger than the sum of its proper divisors (31035).

142053193 is an equidigital number, since it uses as much as digits as its factorization.

142053193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31034.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 142053193 is about 11918.6070075324. The cubic root of 142053193 is about 521.7754804818.

The spelling of 142053193 in words is "one hundred forty-two million, fifty-three thousand, one hundred ninety-three".