147320443 has 4 divisors (see below), whose sum is σ = 150100128. Its totient is φ = 144540760.

The previous prime is 147320431. The next prime is 147320447. The reversal of 147320443 is 344023741.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147320443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147320447) 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, 1389763 + ... + 1389868.

It is an arithmetic number, because the mean of its divisors is an integer number (37525032).

Almost surely, 2^147320443 is an apocalyptic number.

147320443 is a deficient number, since it is larger than the sum of its proper divisors (2779685).

147320443 is an equidigital number, since it uses as much as digits as its factorization.

147320443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779684.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 147320443 is about 12137.5633057051. The cubic root of 147320443 is about 528.1464180616.

The spelling of 147320443 in words is "one hundred forty-seven million, three hundred twenty thousand, four hundred forty-three".