142845125 has 12 divisors (see below), whose sum is σ = 178437636. Its totient is φ = 114169200.

The previous prime is 142845121. The next prime is 142845137. The reversal of 142845125 is 521548241.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 50665924 + 92179201 = 7118^2 + 9601^2 .

It is not a de Polignac number, because 142845125 - 2² = 142845121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142845091 and 142845100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142845121) 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, 133091 + ... + 134159.

It is an arithmetic number, because the mean of its divisors is an integer number (14869803).

Almost surely, 2^142845125 is an apocalyptic number.

It is an amenable number.

142845125 is a deficient number, since it is larger than the sum of its proper divisors (35592511).

142845125 is an frugal number, since it uses more digits than its factorization.

142845125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153 (or 1074 counting only the distinct ones).

The product of its digits is 12800, while the sum is 32.

The square root of 142845125 is about 11951.7833397364. The cubic root of 142845125 is about 522.7432991592.

The spelling of 142845125 in words is "one hundred forty-two million, eight hundred forty-five thousand, one hundred twenty-five".