143475427 has 8 divisors (see below), whose sum is σ = 152344800. Its totient is φ = 134653824.

The previous prime is 143475421. The next prime is 143475457. The reversal of 143475427 is 724574341.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143475427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143475421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5652 + ... + 17857.

It is an arithmetic number, because the mean of its divisors is an integer number (19043100).

Almost surely, 2^143475427 is an apocalyptic number.

143475427 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

143475427 is a deficient number, since it is larger than the sum of its proper divisors (8869373).

143475427 is a wasteful number, since it uses less digits than its factorization.

143475427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23885.

The product of its digits is 94080, while the sum is 37.

The square root of 143475427 is about 11978.1228495954. The cubic root of 143475427 is about 523.5110367441.

The spelling of 143475427 in words is "one hundred forty-three million, four hundred seventy-five thousand, four hundred twenty-seven".