143414231 has 4 divisors (see below), whose sum is σ = 143679864. Its totient is φ = 143148600.

The previous prime is 143414207. The next prime is 143414239. The reversal of 143414231 is 132414341.

143414231 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, and also an emirpimes, since its reverse is a distinct semiprime: 132414341 = 599 ⋅221059.

It is a de Polignac number, because none of the positive numbers 2^k-143414231 is a prime.

It is a super-2 number, since 2×143414231² = 41135283306642722, 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 = 143414197 and 143414206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143414239) 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, 132005 + ... + 133086.

It is an arithmetic number, because the mean of its divisors is an integer number (35919966).

Almost surely, 2^143414231 is an apocalyptic number.

143414231 is a deficient number, since it is larger than the sum of its proper divisors (265633).

143414231 is an equidigital number, since it uses as much as digits as its factorization.

143414231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265632.

The product of its digits is 1152, while the sum is 23.

The square root of 143414231 is about 11975.5680867339. The cubic root of 143414231 is about 523.4365958033.

Adding to 143414231 its reverse (132414341), we get a palindrome (275828572).

The spelling of 143414231 in words is "one hundred forty-three million, four hundred fourteen thousand, two hundred thirty-one".