147321443 has 4 divisors (see below), whose sum is σ = 148396920. Its totient is φ = 146245968.

The previous prime is 147321413. The next prime is 147321451. The reversal of 147321443 is 344123741.

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 147321443 - 2¹² = 147317347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147321413) 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, 537533 + ... + 537806.

It is an arithmetic number, because the mean of its divisors is an integer number (37099230).

Almost surely, 2^147321443 is an apocalyptic number.

147321443 is a deficient number, since it is larger than the sum of its proper divisors (1075477).

147321443 is a wasteful number, since it uses less digits than its factorization.

147321443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075476.

The product of its digits is 8064, while the sum is 29.

The square root of 147321443 is about 12137.6045000651. The cubic root of 147321443 is about 528.1476130649.

The spelling of 147321443 in words is "one hundred forty-seven million, three hundred twenty-one thousand, four hundred forty-three".