143552225 has 6 divisors (see below), whose sum is σ = 178004790. Its totient is φ = 114841760.

The previous prime is 143552221. The next prime is 143552261. The reversal of 143552225 is 522255341.

143552225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3579664 + 139972561 = 1892^2 + 11831^2 .

It is not a de Polignac number, because 143552225 - 2² = 143552221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143552221) 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, 2871020 + ... + 2871069.

It is an arithmetic number, because the mean of its divisors is an integer number (29667465).

Almost surely, 2^143552225 is an apocalyptic number.

It is an amenable number.

143552225 is a deficient number, since it is larger than the sum of its proper divisors (34452565).

143552225 is an equidigital number, since it uses as much as digits as its factorization.

143552225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5742099 (or 5742094 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 143552225 is about 11981.3281818002. The cubic root of 143552225 is about 523.6044265558.

The spelling of 143552225 in words is "one hundred forty-three million, five hundred fifty-two thousand, two hundred twenty-five".