481790143 has 4 divisors (see below), whose sum is σ = 483359800. Its totient is φ = 480220488.

The previous prime is 481790129. The next prime is 481790147. The reversal of 481790143 is 341097184.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-481790143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481790147) 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, 784368 + ... + 784981.

It is an arithmetic number, because the mean of its divisors is an integer number (120839950).

Almost surely, 2^481790143 is an apocalyptic number.

481790143 is a deficient number, since it is larger than the sum of its proper divisors (1569657).

481790143 is a wasteful number, since it uses less digits than its factorization.

481790143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569656.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 481790143 is about 21949.7185175573. The cubic root of 481790143 is about 783.9456780485.

The spelling of 481790143 in words is "four hundred eighty-one million, seven hundred ninety thousand, one hundred forty-three".