143427 has 4 divisors (see below), whose sum is σ = 191240. Its totient is φ = 95616.

The previous prime is 143419. The next prime is 143443. The reversal of 143427 is 724341.

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

It is not a de Polignac number, because 143427 - 2³ = 143419 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 143427.

It is not an unprimeable number, because it can be changed into a prime (143467) 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, 23902 + ... + 23907.

It is an arithmetic number, because the mean of its divisors is an integer number (47810).

2¹⁴³⁴²⁷ is an apocalyptic number.

143427 is a deficient number, since it is larger than the sum of its proper divisors (47813).

143427 is an equidigital number, since it uses as much as digits as its factorization.

143427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47812.

The product of its digits is 672, while the sum is 21.

The square root of 143427 is about 378.7175728693. The cubic root of 143427 is about 52.3452130207.

Adding to 143427 its reverse (724341), we get a palindrome (867768).

The spelling of 143427 in words is "one hundred forty-three thousand, four hundred twenty-seven", and thus it is an iban number.