147929 has 4 divisors (see below), whose sum is σ = 153060. Its totient is φ = 142800.
The previous prime is 147919. The next prime is 147937. The reversal of 147929 is 929741.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 24025 + 123904 = 155^2 + 352^2 .
It is a cyclic number.
It is not a de Polignac number, because 147929 - 28 = 147673 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 147895 and 147904.
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 147929.
It is not an unprimeable number, because it can be changed into a prime (147919) 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, 2522 + ... + 2579.
It is an arithmetic number, because the mean of its divisors is an integer number (38265).
2147929 is an apocalyptic number.
It is an amenable number.
147929 is a deficient number, since it is larger than the sum of its proper divisors (5131).
147929 is an equidigital number, since it uses as much as digits as its factorization.
147929 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5130.
The product of its digits is 4536, while the sum is 32.
The square root of 147929 is about 384.6153923077. The cubic root of 147929 is about 52.8872648234.
The spelling of 147929 in words is "one hundred forty-seven thousand, nine hundred twenty-nine".
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