143422025 has 6 divisors (see below), whose sum is σ = 177843342. Its totient is φ = 114737600.

The previous prime is 143422021. The next prime is 143422031. The reversal of 143422025 is 520224341.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 29637136 + 113784889 = 5444^2 + 10667^2 .

It is not a de Polignac number, because 143422025 - 2² = 143422021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143422021) 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 5 ways as a sum of consecutive naturals, for example, 2868416 + ... + 2868465.

It is an arithmetic number, because the mean of its divisors is an integer number (29640557).

Almost surely, 2^143422025 is an apocalyptic number.

It is an amenable number.

143422025 is a deficient number, since it is larger than the sum of its proper divisors (34421317).

143422025 is an equidigital number, since it uses as much as digits as its factorization.

143422025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5736891 (or 5736886 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 143422025 is about 11975.8934948504. The cubic root of 143422025 is about 523.4460778723.

Adding to 143422025 its reverse (520224341), we get a palindrome (663646366).

The spelling of 143422025 in words is "one hundred forty-three million, four hundred twenty-two thousand, twenty-five".