143412225 has 36 divisors (see below), whose sum is σ = 260639568. Its totient is φ = 69528800.

The previous prime is 143412173. The next prime is 143412229. The reversal of 143412225 is 522214341.

It is not a de Polignac number, because 143412225 - 2⁶ = 143412161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143412195 and 143412204.

It is not an unprimeable number, because it can be changed into a prime (143412229) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1174 + ... + 16976.

It is an arithmetic number, because the mean of its divisors is an integer number (7239988).

Almost surely, 2^143412225 is an apocalyptic number.

143412225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

143412225 is a deficient number, since it is larger than the sum of its proper divisors (117227343).

143412225 is a wasteful number, since it uses less digits than its factorization.

143412225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15838 (or 15822 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 143412225 is about 11975.4843325855. The cubic root of 143412225 is about 523.4341552768.

Adding to 143412225 its reverse (522214341), we get a palindrome (665626566).

The spelling of 143412225 in words is "one hundred forty-three million, four hundred twelve thousand, two hundred twenty-five".