143031425 has 12 divisors (see below), whose sum is σ = 178657836. Its totient is φ = 113587200.

The previous prime is 143031419. The next prime is 143031431. The reversal of 143031425 is 524130341.

It is an interprime number because it is at equal distance from previous prime (143031419) and next prime (143031431).

It can be written as a sum of positive squares in 6 ways, for example, as 31348801 + 111682624 = 5599^2 + 10568^2 .

It is not a de Polignac number, because 143031425 - 2⁴ = 143031409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143031425.

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, 17456 + ... + 24305.

It is an arithmetic number, because the mean of its divisors is an integer number (14888153).

Almost surely, 2^143031425 is an apocalyptic number.

It is an amenable number.

143031425 is a deficient number, since it is larger than the sum of its proper divisors (35626411).

143031425 is a wasteful number, since it uses less digits than its factorization.

143031425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41908 (or 41903 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 143031425 is about 11959.5746161810. The cubic root of 143031425 is about 522.9704560644.

Adding to 143031425 its reverse (524130341), we get a palindrome (667161766).

The spelling of 143031425 in words is "one hundred forty-three million, thirty-one thousand, four hundred twenty-five".