142673474 has 8 divisors (see below), whose sum is σ = 214102668. Its totient is φ = 71305920.

The previous prime is 142673473. The next prime is 142673477. The reversal of 142673474 is 474376241.

142673474 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 95160025 + 47513449 = 9755^2 + 6893^2 .

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

It is not an unprimeable number, because it can be changed into a prime (142673471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9107 + ... + 19190.

Almost surely, 2^142673474 is an apocalyptic number.

142673474 is a deficient number, since it is larger than the sum of its proper divisors (71429194).

142673474 is a wasteful number, since it uses less digits than its factorization.

142673474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30820.

The product of its digits is 112896, while the sum is 38.

The square root of 142673474 is about 11944.6002026020. The cubic root of 142673474 is about 522.5338289949.

The spelling of 142673474 in words is "one hundred forty-two million, six hundred seventy-three thousand, four hundred seventy-four".