142874205 has 64 divisors (see below), whose sum is σ = 261999360. Its totient is φ = 66023424.

The previous prime is 142874203. The next prime is 142874231. The reversal of 142874205 is 502478241.

It is not a de Polignac number, because 142874205 - 2¹ = 142874203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142874203) 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 63 ways as a sum of consecutive naturals, for example, 178867 + ... + 179663.

It is an arithmetic number, because the mean of its divisors is an integer number (4093740).

Almost surely, 2^142874205 is an apocalyptic number.

142874205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142874205 is a deficient number, since it is larger than the sum of its proper divisors (119125155).

142874205 is a wasteful number, since it uses less digits than its factorization.

142874205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878.

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 142874205 is about 11952.9998326780. Note that the first 3 decimals coincide. The cubic root of 142874205 is about 522.7787696118.

The spelling of 142874205 in words is "one hundred forty-two million, eight hundred seventy-four thousand, two hundred five".