143674546 has 4 divisors (see below), whose sum is σ = 215511822. Its totient is φ = 71837272.

The previous prime is 143674543. The next prime is 143674627. The reversal of 143674546 is 645476341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 135466321 + 8208225 = 11639^2 + 2865^2 .

It is a super-2 number, since 2×143674546² = 41284750336612232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 143674499 and 143674508.

It is not an unprimeable number, because it can be changed into a prime (143674541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35918635 + ... + 35918638.

Almost surely, 2^143674546 is an apocalyptic number.

143674546 is a deficient number, since it is larger than the sum of its proper divisors (71837276).

143674546 is an equidigital number, since it uses as much as digits as its factorization.

143674546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71837275.

The product of its digits is 241920, while the sum is 40.

The square root of 143674546 is about 11986.4317459367. The cubic root of 143674546 is about 523.7531056258.

The spelling of 143674546 in words is "one hundred forty-three million, six hundred seventy-four thousand, five hundred forty-six".