143147474 has 8 divisors (see below), whose sum is σ = 214784460. Its totient is φ = 71552656.

The previous prime is 143147467. The next prime is 143147483. The reversal of 143147474 is 474741341.

It can be written as a sum of positive squares in 2 ways, for example, as 103897249 + 39250225 = 10193^2 + 6265^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92 + ... + 16920.

Almost surely, 2^143147474 is an apocalyptic number.

143147474 is a deficient number, since it is larger than the sum of its proper divisors (71636986).

143147474 is a wasteful number, since it uses less digits than its factorization.

143147474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21084.

The product of its digits is 37632, while the sum is 35.

The square root of 143147474 is about 11964.4253518504. The cubic root of 143147474 is about 523.1118557420. Note that the first 3 decimals are identical.

The spelling of 143147474 in words is "one hundred forty-three million, one hundred forty-seven thousand, four hundred seventy-four".