147144443 has 4 divisors (see below), whose sum is σ = 147169608. Its totient is φ = 147119280.

The previous prime is 147144343. The next prime is 147144457. The reversal of 147144443 is 344441741.

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 147144443 - 2¹⁸ = 146882299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147144343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1280 + ... + 17202.

It is an arithmetic number, because the mean of its divisors is an integer number (36792402).

Almost surely, 2^147144443 is an apocalyptic number.

147144443 is a deficient number, since it is larger than the sum of its proper divisors (25165).

147144443 is an equidigital number, since it uses as much as digits as its factorization.

147144443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25164.

The product of its digits is 21504, while the sum is 32.

The square root of 147144443 is about 12130.3109193458. The cubic root of 147144443 is about 527.9360132036.

The spelling of 147144443 in words is "one hundred forty-seven million, one hundred forty-four thousand, four hundred forty-three".