142053197 has 16 divisors (see below), whose sum is σ = 170045568. Its totient is φ = 116950080.

The previous prime is 142053187. The next prime is 142053203. The reversal of 142053197 is 791350241.

It is not a de Polignac number, because 142053197 - 2⁴ = 142053181 is a prime.

It is a super-2 number, since 2×142053197² = 40358221555841618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142053137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1793 + ... + 16950.

It is an arithmetic number, because the mean of its divisors is an integer number (10627848).

Almost surely, 2^142053197 is an apocalyptic number.

It is an amenable number.

142053197 is a deficient number, since it is larger than the sum of its proper divisors (27992371).

142053197 is a wasteful number, since it uses less digits than its factorization.

142053197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18820.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 142053197 is about 11918.6071753372. The cubic root of 142053197 is about 521.7754853793.

The spelling of 142053197 in words is "one hundred forty-two million, fifty-three thousand, one hundred ninety-seven".