142244097 has 8 divisors (see below), whose sum is σ = 189735744. Its totient is φ = 94790928.

The previous prime is 142244071. The next prime is 142244107. The reversal of 142244097 is 790442241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-142244097 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (142244017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543 + ... + 16875.

It is an arithmetic number, because the mean of its divisors is an integer number (23716968).

Almost surely, 2^142244097 is an apocalyptic number.

It is an amenable number.

142244097 is a deficient number, since it is larger than the sum of its proper divisors (47491647).

142244097 is a wasteful number, since it uses less digits than its factorization.

142244097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19239.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 142244097 is about 11926.6129726759. The cubic root of 142244097 is about 522.0091123026.

The spelling of 142244097 in words is "one hundred forty-two million, two hundred forty-four thousand, ninety-seven".