142929 has 6 divisors (see below), whose sum is σ = 206466. Its totient is φ = 95280.
The previous prime is 142907. The next prime is 142939. The reversal of 142929 is 929241.
It can be written as a sum of positive squares in only one way, i.e., 140625 + 2304 = 375^2 + 48^2 .
It is not a de Polignac number, because 142929 - 25 = 142897 is a prime.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142929.
It is not an unprimeable number, because it can be changed into a prime (142939) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7932 + ... + 7949.
It is an arithmetic number, because the mean of its divisors is an integer number (34411).
2142929 is an apocalyptic number.
It is an amenable number.
142929 is a deficient number, since it is larger than the sum of its proper divisors (63537).
142929 is a wasteful number, since it uses less digits than its factorization.
142929 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15887 (or 15884 counting only the distinct ones).
The product of its digits is 1296, while the sum is 27.
The square root of 142929 is about 378.0595191236. The cubic root of 142929 is about 52.2845592967.
The spelling of 142929 in words is "one hundred forty-two thousand, nine hundred twenty-nine".
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