143432274 has 8 divisors (see below), whose sum is σ = 286864560. Its totient is φ = 47810756.

The previous prime is 143432269. The next prime is 143432299. The reversal of 143432274 is 472234341.

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

143432274 is an admirable number.

It is a super-2 number, since 2×143432274² = 41145634449622152, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11952684 + ... + 11952695.

It is an arithmetic number, because the mean of its divisors is an integer number (35858070).

Almost surely, 2^143432274 is an apocalyptic number.

143432274 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143432274 is a wasteful number, since it uses less digits than its factorization.

143432274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23905384.

The product of its digits is 16128, while the sum is 30.

The square root of 143432274 is about 11976.3213884732. The cubic root of 143432274 is about 523.4585461365.

The spelling of 143432274 in words is "one hundred forty-three million, four hundred thirty-two thousand, two hundred seventy-four".