143142475 has 24 divisors (see below), whose sum is σ = 207005600. Its totient is φ = 98148960.

The previous prime is 143142443. The next prime is 143142497. The reversal of 143142475 is 574241341.

It is not a de Polignac number, because 143142475 - 2⁵ = 143142443 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 229 + ... + 16921.

Almost surely, 2^143142475 is an apocalyptic number.

143142475 is a deficient number, since it is larger than the sum of its proper divisors (63863125).

143142475 is an equidigital number, since it uses as much as digits as its factorization.

143142475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16724 (or 16705 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 143142475 is about 11964.2164390319. The cubic root of 143142475 is about 523.1057662956.

The spelling of 143142475 in words is "one hundred forty-three million, one hundred forty-two thousand, four hundred seventy-five".