143492 has 12 divisors (see below), whose sum is σ = 259980. Its totient is φ = 69216.
The previous prime is 143489. The next prime is 143501. The reversal of 143492 is 294341.
It can be written as a sum of positive squares in 2 ways, for example, as 92416 + 51076 = 304^2 + 226^2 .
It is an alternating number because its digits alternate between odd and even.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 143492.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503 + ... + 734.
It is an arithmetic number, because the mean of its divisors is an integer number (21665).
2143492 is an apocalyptic number.
It is an amenable number.
143492 is a deficient number, since it is larger than the sum of its proper divisors (116488).
143492 is a wasteful number, since it uses less digits than its factorization.
143492 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1270 (or 1268 counting only the distinct ones).
The product of its digits is 864, while the sum is 23.
The square root of 143492 is about 378.8033790768. The cubic root of 143492 is about 52.3531193075.
The spelling of 143492 in words is "one hundred forty-three thousand, four hundred ninety-two".
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