143134475 has 36 divisors (see below), whose sum is σ = 205795608. Its totient is φ = 97920000.

The previous prime is 143134457. The next prime is 143134477. The reversal of 143134475 is 574431341.

It is not a de Polignac number, because 143134475 - 2⁸ = 143134219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143134477) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 78575 + ... + 80375.

Almost surely, 2^143134475 is an apocalyptic number.

143134475 is a deficient number, since it is larger than the sum of its proper divisors (62661133).

143134475 is a wasteful number, since it uses less digits than its factorization.

143134475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856 (or 1834 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 143134475 is about 11963.8821040664. The cubic root of 143134475 is about 523.0960209373.

The spelling of 143134475 in words is "one hundred forty-three million, one hundred thirty-four thousand, four hundred seventy-five".