142331125 has 8 divisors (see below), whose sum is σ = 177629400. Its totient is φ = 113864800.

The previous prime is 142331047. The next prime is 142331173. The reversal of 142331125 is 521133241.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16016004 + 126315121 = 4002^2 + 11239^2 .

It is not a de Polignac number, because 142331125 - 2¹³ = 142322933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142331096 and 142331105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569200 + ... + 569449.

It is an arithmetic number, because the mean of its divisors is an integer number (22203675).

Almost surely, 2^142331125 is an apocalyptic number.

It is an amenable number.

142331125 is a deficient number, since it is larger than the sum of its proper divisors (35298275).

142331125 is an equidigital number, since it uses as much as digits as its factorization.

142331125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138664 (or 1138654 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 142331125 is about 11930.2608940459. The cubic root of 142331125 is about 522.1155494020.

Adding to 142331125 its reverse (521133241), we get a palindrome (663464366).

The spelling of 142331125 in words is "one hundred forty-two million, three hundred thirty-one thousand, one hundred twenty-five".