143539201 has 4 divisors (see below), whose sum is σ = 154580692. Its totient is φ = 132497712.

The previous prime is 143539181. The next prime is 143539213. The reversal of 143539201 is 102935341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49914225 + 93624976 = 7065^2 + 9676^2 .

It is a cyclic number.

It is not a de Polignac number, because 143539201 - 2¹⁷ = 143408129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143539201.

It is not an unprimeable number, because it can be changed into a prime (143539301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5520726 + ... + 5520751.

It is an arithmetic number, because the mean of its divisors is an integer number (38645173).

Almost surely, 2^143539201 is an apocalyptic number.

It is an amenable number.

143539201 is a deficient number, since it is larger than the sum of its proper divisors (11041491).

143539201 is a wasteful number, since it uses less digits than its factorization.

143539201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11041490.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 143539201 is about 11980.7846571082. The cubic root of 143539201 is about 523.5885911335.

The spelling of 143539201 in words is "one hundred forty-three million, five hundred thirty-nine thousand, two hundred one".