143229425 has 12 divisors (see below), whose sum is σ = 177779916. Its totient is φ = 114470400.

The previous prime is 143229419. The next prime is 143229439. The reversal of 143229425 is 524922341.

It can be written as a sum of positive squares in 6 ways, for example, as 7203856 + 136025569 = 2684^2 + 11663^2 .

It is not a de Polignac number, because 143229425 - 2⁴ = 143229409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143229391 and 143229400.

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, 30857 + ... + 35193.

It is an arithmetic number, because the mean of its divisors is an integer number (14814993).

Almost surely, 2^143229425 is an apocalyptic number.

It is an amenable number.

143229425 is a deficient number, since it is larger than the sum of its proper divisors (34550491).

143229425 is a wasteful number, since it uses less digits than its factorization.

143229425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5668 (or 5663 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 143229425 is about 11967.8496397640. The cubic root of 143229425 is about 523.2116627458.

The spelling of 143229425 in words is "one hundred forty-three million, two hundred twenty-nine thousand, four hundred twenty-five".