147444347 has 4 divisors (see below), whose sum is σ = 147471216. Its totient is φ = 147417480.

The previous prime is 147444337. The next prime is 147444373. The reversal of 147444347 is 743444741.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 147444347 - 2⁴ = 147444331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 147444347.

It is not an unprimeable number, because it can be changed into a prime (147444337) 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, 1904 + ... + 17277.

It is an arithmetic number, because the mean of its divisors is an integer number (36867804).

Almost surely, 2^147444347 is an apocalyptic number.

147444347 is a deficient number, since it is larger than the sum of its proper divisors (26869).

147444347 is an equidigital number, since it uses as much as digits as its factorization.

147444347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26868.

The product of its digits is 150528, while the sum is 38.

The square root of 147444347 is about 12142.6663875773. Note that the first 3 decimals coincide. The cubic root of 147444347 is about 528.2944425879.

It can be divided in two parts, 14744 and 4347, that added together give a palindrome (19091).

The spelling of 147444347 in words is "one hundred forty-seven million, four hundred forty-four thousand, three hundred forty-seven".