143475 has 12 divisors (see below), whose sum is σ = 237336. Its totient is φ = 76480.

The previous prime is 143467. The next prime is 143477. The reversal of 143475 is 574341.

It is not a de Polignac number, because 143475 - 2³ = 143467 is a prime.

It is an Ulam number.

It is a nialpdrome in base 11.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 143475.

It is not an unprimeable number, because it can be changed into a prime (143477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 882 + ... + 1031.

It is an arithmetic number, because the mean of its divisors is an integer number (19778).

2¹⁴³⁴⁷⁵ is an apocalyptic number.

143475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

143475 is a deficient number, since it is larger than the sum of its proper divisors (93861).

143475 is a wasteful number, since it uses less digits than its factorization.

143475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926 (or 1921 counting only the distinct ones).

The product of its digits is 1680, while the sum is 24.

The square root of 143475 is about 378.7809393304. The cubic root of 143475 is about 52.3510517400.

The spelling of 143475 in words is "one hundred forty-three thousand, four hundred seventy-five".