3072143 has 4 divisors (see below), whose sum is σ = 3122568. Its totient is φ = 3021720.

The previous prime is 3072137. The next prime is 3072161. The reversal of 3072143 is 3412703.

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

It is a cyclic number.

It is not a de Polignac number, because 3072143 - 2⁴ = 3072127 is a prime.

It is a super-2 number, since 2×3072143² = 18876125224898, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3072163) 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, 25121 + ... + 25242.

It is an arithmetic number, because the mean of its divisors is an integer number (780642).

Almost surely, 2^3072143 is an apocalyptic number.

3072143 is a deficient number, since it is larger than the sum of its proper divisors (50425).

3072143 is an equidigital number, since it uses as much as digits as its factorization.

3072143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50424.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 3072143 is about 1752.7529774615. The cubic root of 3072143 is about 145.3719030187.

Adding to 3072143 its reverse (3412703), we get a palindrome (6484846).

The spelling of 3072143 in words is "three million, seventy-two thousand, one hundred forty-three".