142573825 has 12 divisors (see below), whose sum is σ = 177695100. Its totient is φ = 113476160.

The previous prime is 142573811. The next prime is 142573843. The reversal of 142573825 is 528375241.

It can be written as a sum of positive squares in 6 ways, for example, as 36566209 + 106007616 = 6047^2 + 10296^2 .

It is not a de Polignac number, because 142573825 - 2⁹ = 142573313 is a prime.

It is an unprimeable number.

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, 9550 + ... + 19399.

It is an arithmetic number, because the mean of its divisors is an integer number (14807925).

Almost surely, 2^142573825 is an apocalyptic number.

It is an amenable number.

142573825 is a deficient number, since it is larger than the sum of its proper divisors (35121275).

142573825 is a wasteful number, since it uses less digits than its factorization.

142573825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29156 (or 29151 counting only the distinct ones).

The product of its digits is 67200, while the sum is 37.

The square root of 142573825 is about 11940.4281749023. The cubic root of 142573825 is about 522.4121476494.

The spelling of 142573825 in words is "one hundred forty-two million, five hundred seventy-three thousand, eight hundred twenty-five".