143544225 has 24 divisors (see below), whose sum is σ = 258903072. Its totient is φ = 69596800.

The previous prime is 143544223. The next prime is 143544241. The reversal of 143544225 is 522445341.

It is not a de Polignac number, because 143544225 - 2¹ = 143544223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143544192 and 143544201.

It is not an unprimeable number, because it can be changed into a prime (143544223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86172 + ... + 87821.

It is an arithmetic number, because the mean of its divisors is an integer number (10787628).

Almost surely, 2^143544225 is an apocalyptic number.

143544225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

143544225 is a deficient number, since it is larger than the sum of its proper divisors (115358847).

143544225 is a wasteful number, since it uses less digits than its factorization.

143544225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174017 (or 174012 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 143544225 is about 11980.9943243455. The cubic root of 143544225 is about 523.5946997514.

Adding to 143544225 its reverse (522445341), we get a palindrome (665989566).

The spelling of 143544225 in words is "one hundred forty-three million, five hundred forty-four thousand, two hundred twenty-five".