143040361 has 4 divisors (see below), whose sum is σ = 144999892. Its totient is φ = 141080832.

The previous prime is 143040353. The next prime is 143040389. The reversal of 143040361 is 163040341.

143040361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 77105961 + 65934400 = 8781^2 + 8120^2 .

It is a cyclic number.

It is not a de Polignac number, because 143040361 - 2³ = 143040353 is a prime.

It is a super-4 number, since 4×143040361⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143040311) 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, 979656 + ... + 979801.

It is an arithmetic number, because the mean of its divisors is an integer number (36249973).

Almost surely, 2^143040361 is an apocalyptic number.

It is an amenable number.

143040361 is a deficient number, since it is larger than the sum of its proper divisors (1959531).

143040361 is an equidigital number, since it uses as much as digits as its factorization.

143040361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959530.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 143040361 is about 11959.9482022290. The cubic root of 143040361 is about 522.9813468335.

The spelling of 143040361 in words is "one hundred forty-three million, forty thousand, three hundred sixty-one".