147049 has 6 divisors (see below), whose sum is σ = 171114. Its totient is φ = 126000.
The previous prime is 147047. The next prime is 147073. The reversal of 147049 is 940741.
It can be written as a sum of positive squares in only one way, i.e., 127449 + 19600 = 357^2 + 140^2 .
It is not a de Polignac number, because 147049 - 21 = 147047 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (147047) 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, 1452 + ... + 1549.
It is an arithmetic number, because the mean of its divisors is an integer number (28519).
2147049 is an apocalyptic number.
It is an amenable number.
147049 is a deficient number, since it is larger than the sum of its proper divisors (24065).
147049 is an equidigital number, since it uses as much as digits as its factorization.
147049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3015 (or 3008 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 25.
The square root of 147049 is about 383.4696858945. The cubic root of 147049 is about 52.7821842633.
The spelling of 147049 in words is "one hundred forty-seven thousand, forty-nine".
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