142729197 has 16 divisors (see below), whose sum is σ = 215732160. Its totient is φ = 83210112.

The previous prime is 142729193. The next prime is 142729217. The reversal of 142729197 is 791927241.

It is not a de Polignac number, because 142729197 - 2² = 142729193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142729193) 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, 95568 + ... + 97049.

It is an arithmetic number, because the mean of its divisors is an integer number (13483260).

Almost surely, 2^142729197 is an apocalyptic number.

It is an amenable number.

142729197 is a deficient number, since it is larger than the sum of its proper divisors (73002963).

142729197 is a wasteful number, since it uses less digits than its factorization.

142729197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192652.

The product of its digits is 63504, while the sum is 42.

The square root of 142729197 is about 11946.9325351740. The cubic root of 142729197 is about 522.6018476248.

The spelling of 142729197 in words is "one hundred forty-two million, seven hundred twenty-nine thousand, one hundred ninety-seven".