142104897 has 12 divisors (see below), whose sum is σ = 223923024. Its totient is φ = 86124120.

The previous prime is 142104869. The next prime is 142104917. The reversal of 142104897 is 798401241.

It is not a de Polignac number, because 142104897 - 2⁷ = 142104769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142104847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 717603 + ... + 717800.

It is an arithmetic number, because the mean of its divisors is an integer number (18660252).

Almost surely, 2^142104897 is an apocalyptic number.

It is an amenable number.

142104897 is a deficient number, since it is larger than the sum of its proper divisors (81818127).

142104897 is a wasteful number, since it uses less digits than its factorization.

142104897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435420 (or 1435417 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 142104897 is about 11920.7758556228. The cubic root of 142104897 is about 521.8387774446.

The spelling of 142104897 in words is "one hundred forty-two million, one hundred four thousand, eight hundred ninety-seven".