80738143 has 4 divisors (see below), whose sum is σ = 82707408. Its totient is φ = 78768880.

The previous prime is 80738101. The next prime is 80738159. The reversal of 80738143 is 34183708.

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 80738143 - 2¹⁷ = 80607071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80738099 and 80738108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80738173) 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, 984571 + ... + 984652.

It is an arithmetic number, because the mean of its divisors is an integer number (20676852).

Almost surely, 2^80738143 is an apocalyptic number.

80738143 is a deficient number, since it is larger than the sum of its proper divisors (1969265).

80738143 is a wasteful number, since it uses less digits than its factorization.

80738143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969264.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 80738143 is about 8985.4406124575. The cubic root of 80738143 is about 432.2081169585.

The spelling of 80738143 in words is "eighty million, seven hundred thirty-eight thousand, one hundred forty-three".