143854201 has 6 divisors (see below), whose sum is σ = 145362030. Its totient is φ = 142361856.

The previous prime is 143854177. The next prime is 143854237. The reversal of 143854201 is 102458341.

It can be written as a sum of positive squares in 3 ways, for example, as 22325625 + 121528576 = 4725^2 + 11024^2 .

It is not a de Polignac number, because 143854201 - 2¹¹ = 143852153 is a prime.

It is a super-2 number, since 2×143854201² = 41388062290696802, which contains 22 as substring.

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 143854201.

It is not an unprimeable number, because it can be changed into a prime (143854241) 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, 1765 + ... + 17053.

It is an arithmetic number, because the mean of its divisors is an integer number (24227005).

Almost surely, 2^143854201 is an apocalyptic number.

It is an amenable number.

143854201 is a deficient number, since it is larger than the sum of its proper divisors (1507829).

143854201 is an frugal number, since it uses more digits than its factorization.

143854201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15483 (or 15386 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 143854201 is about 11993.9235031744. The cubic root of 143854201 is about 523.9713202744.

The spelling of 143854201 in words is "one hundred forty-three million, eight hundred fifty-four thousand, two hundred one".