142374 has 16 divisors (see below), whose sum is σ = 290160. Its totient is φ = 46560.
The previous prime is 142369. The next prime is 142381. The reversal of 142374 is 473241.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 142374.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142374.
It is an unprimeable number.
142374 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
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 7 ways as a sum of consecutive naturals, for example, 172 + ... + 560.
It is an arithmetic number, because the mean of its divisors is an integer number (18135).
2142374 is an apocalyptic number.
142374 is an abundant number, since it is smaller than the sum of its proper divisors (147786).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142374 is a wasteful number, since it uses less digits than its factorization.
142374 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 455.
The product of its digits is 672, while the sum is 21.
The square root of 142374 is about 377.3247937785. The cubic root of 142374 is about 52.2167970489.
It can be divided in two parts, 14237 and 4, that added together give a palindrome (14241).
The spelling of 142374 in words is "one hundred forty-two thousand, three hundred seventy-four", and thus it is an iban number.
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