147144 has 16 divisors (see below), whose sum is σ = 367920. Its totient is φ = 49040.
The previous prime is 147139. The next prime is 147151. The reversal of 147144 is 441741.
147144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 147144.
It is an unprimeable number.
147144 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3042 + ... + 3089.
It is an arithmetic number, because the mean of its divisors is an integer number (22995).
2147144 is an apocalyptic number.
It is an amenable number.
147144 is an abundant number, since it is smaller than the sum of its proper divisors (220776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
147144 is a wasteful number, since it uses less digits than its factorization.
147144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6140 (or 6136 counting only the distinct ones).
The product of its digits is 448, while the sum is 21.
The square root of 147144 is about 383.5935348777. The cubic root of 147144 is about 52.7935483393.
Adding to 147144 its reverse (441741), we get a palindrome (588885).
The spelling of 147144 in words is "one hundred forty-seven thousand, one hundred forty-four", and thus it is an iban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.655 sec. • engine limits •