142262197 has 16 divisors (see below), whose sum is σ = 183484800. Its totient is φ = 107029440.

The previous prime is 142262149. The next prime is 142262207. The reversal of 142262197 is 791262241.

It is a de Polignac number, because none of the positive numbers 2^k-142262197 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 (142262117) 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, 29622 + ... + 34087.

It is an arithmetic number, because the mean of its divisors is an integer number (11467800).

Almost surely, 2^142262197 is an apocalyptic number.

It is an amenable number.

142262197 is a deficient number, since it is larger than the sum of its proper divisors (41222603).

142262197 is a wasteful number, since it uses less digits than its factorization.

142262197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63756.

The product of its digits is 12096, while the sum is 34.

The square root of 142262197 is about 11927.3717557557. The cubic root of 142262197 is about 522.0312525634.

The spelling of 142262197 in words is "one hundred forty-two million, two hundred sixty-two thousand, one hundred ninety-seven".