143135494 has 8 divisors (see below), whose sum is σ = 221629248. Its totient is φ = 69259080.

The previous prime is 143135491. The next prime is 143135501. The reversal of 143135494 is 494531341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143135491) 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, 1154257 + ... + 1154380.

It is an arithmetic number, because the mean of its divisors is an integer number (27703656).

Almost surely, 2^143135494 is an apocalyptic number.

143135494 is a deficient number, since it is larger than the sum of its proper divisors (78493754).

143135494 is a wasteful number, since it uses less digits than its factorization.

143135494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308670.

The product of its digits is 25920, while the sum is 34.

The square root of 143135494 is about 11963.9246905019. The cubic root of 143135494 is about 523.0972622725.

The spelling of 143135494 in words is "one hundred forty-three million, one hundred thirty-five thousand, four hundred ninety-four".