143308225 has 6 divisors (see below), whose sum is σ = 177702230. Its totient is φ = 114646560.

The previous prime is 143308219. The next prime is 143308229. The reversal of 143308225 is 522803341.

It can be written as a sum of positive squares in 3 ways, for example, as 14984641 + 128323584 = 3871^2 + 11328^2 .

It is a de Polignac number, because none of the positive numbers 2^k-143308225 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143308193 and 143308202.

It is not an unprimeable number, because it can be changed into a prime (143308229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2866140 + ... + 2866189.

Almost surely, 2^143308225 is an apocalyptic number.

It is an amenable number.

143308225 is a deficient number, since it is larger than the sum of its proper divisors (34394005).

143308225 is an equidigital number, since it uses as much as digits as its factorization.

143308225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5732339 (or 5732334 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 143308225 is about 11971.1413407411. The cubic root of 143308225 is about 523.3075962929.

The spelling of 143308225 in words is "one hundred forty-three million, three hundred eight thousand, two hundred twenty-five".