143125025 has 6 divisors (see below), whose sum is σ = 177475062. Its totient is φ = 114500000.

The previous prime is 143125007. The next prime is 143125033. The reversal of 143125025 is 520521341.

It can be written as a sum of positive squares in 3 ways, for example, as 6492304 + 136632721 = 2548^2 + 11689^2 .

It is not a de Polignac number, because 143125025 - 2¹⁶ = 143059489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2862476 + ... + 2862525.

It is an arithmetic number, because the mean of its divisors is an integer number (29579177).

Almost surely, 2^143125025 is an apocalyptic number.

It is an amenable number.

143125025 is a deficient number, since it is larger than the sum of its proper divisors (34350037).

143125025 is an equidigital number, since it uses as much as digits as its factorization.

143125025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5725011 (or 5725006 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 143125025 is about 11963.4871588513. The cubic root of 143125025 is about 523.0845087651.

Adding to 143125025 its reverse (520521341), we get a palindrome (663646366).

The spelling of 143125025 in words is "one hundred forty-three million, one hundred twenty-five thousand, twenty-five".