147849 has 16 divisors (see below), whose sum is σ = 225792. Its totient is φ = 85248.
The previous prime is 147827. The next prime is 147853. The reversal of 147849 is 948741.
It is a de Polignac number, because none of the positive numbers 2k-147849 is a prime.
It is an Ulam number.
It is a Curzon number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 147849.
It is not an unprimeable number, because it can be changed into a prime (147859) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 552 + ... + 774.
It is an arithmetic number, because the mean of its divisors is an integer number (14112).
2147849 is an apocalyptic number.
It is an amenable number.
147849 is a deficient number, since it is larger than the sum of its proper divisors (77943).
147849 is a wasteful number, since it uses less digits than its factorization.
147849 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 256.
The product of its digits is 8064, while the sum is 33.
The square root of 147849 is about 384.5113782452. The cubic root of 147849 is about 52.8777292937.
The spelling of 147849 in words is "one hundred forty-seven thousand, eight hundred forty-nine".
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