143054231 has 4 divisors (see below), whose sum is σ = 145013952. Its totient is φ = 141094512.

The previous prime is 143054209. The next prime is 143054237. The reversal of 143054231 is 132450341.

143054231 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143054231 is a prime.

It is a super-2 number, since 2×143054231² = 40929026014002722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143054197 and 143054206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143054237) 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, 979751 + ... + 979896.

It is an arithmetic number, because the mean of its divisors is an integer number (36253488).

Almost surely, 2^143054231 is an apocalyptic number.

143054231 is a deficient number, since it is larger than the sum of its proper divisors (1959721).

143054231 is an equidigital number, since it uses as much as digits as its factorization.

143054231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959720.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 143054231 is about 11960.5280401828. The cubic root of 143054231 is about 522.9982500274.

The spelling of 143054231 in words is "one hundred forty-three million, fifty-four thousand, two hundred thirty-one".