142908 has 12 divisors (see below), whose sum is σ = 333480. Its totient is φ = 47632.
The previous prime is 142907. The next prime is 142939. The reversal of 142908 is 809241.
142908 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142903) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5943 + ... + 5966.
It is an arithmetic number, because the mean of its divisors is an integer number (27790).
2142908 is an apocalyptic number.
It is an amenable number.
142908 is an abundant number, since it is smaller than the sum of its proper divisors (190572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142908 is a wasteful number, since it uses less digits than its factorization.
142908 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11916 (or 11914 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 24.
The square root of 142908 is about 378.0317446988. The cubic root of 142908 is about 52.2819985159.
Subtracting from 142908 its sum of digits (24), we obtain a square (142884 = 3782).
The spelling of 142908 in words is "one hundred forty-two thousand, nine hundred eight".
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