143274 has 8 divisors (see below), whose sum is σ = 286560. Its totient is φ = 47756.

The previous prime is 143263. The next prime is 143281. The reversal of 143274 is 472341.

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

143274 is an admirable number.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 143274.

It is an unprimeable number.

143274 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11934 + ... + 11945.

It is an arithmetic number, because the mean of its divisors is an integer number (35820).

2¹⁴³²⁷⁴ is an apocalyptic number.

143274 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.

143274 is a wasteful number, since it uses less digits than its factorization.

143274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23884.

The product of its digits is 672, while the sum is 21.

The square root of 143274 is about 378.5155214783. The cubic root of 143274 is about 52.3265934045.

The spelling of 143274 in words is "one hundred forty-three thousand, two hundred seventy-four", and thus it is an iban number.