980143 has 4 divisors (see below), whose sum is σ = 994840. Its totient is φ = 965448.

The previous prime is 980137. The next prime is 980149. The reversal of 980143 is 341089.

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

It is an interprime number because it is at equal distance from previous prime (980137) and next prime (980149).

It is a cyclic number.

It is not a de Polignac number, because 980143 - 2¹³ = 971951 is a prime.

It is a Duffinian number.

980143 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980149) 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, 7248 + ... + 7381.

It is an arithmetic number, because the mean of its divisors is an integer number (248710).

2⁹⁸⁰¹⁴³ is an apocalyptic number.

980143 is a deficient number, since it is larger than the sum of its proper divisors (14697).

980143 is a wasteful number, since it uses less digits than its factorization.

980143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14696.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 980143 is about 990.0217169335. The cubic root of 980143 is about 99.3336699036. Note that the first 3 decimals are identical.

The spelling of 980143 in words is "nine hundred eighty thousand, one hundred forty-three".