147404447 has 8 divisors (see below), whose sum is σ = 155922144. Its totient is φ = 139062528.

The previous prime is 147404429. The next prime is 147404483. The reversal of 147404447 is 744404741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 147404447 - 2¹⁰ = 147403423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147404407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42218 + ... + 45575.

It is an arithmetic number, because the mean of its divisors is an integer number (19490268).

Almost surely, 2^147404447 is an apocalyptic number.

147404447 is a deficient number, since it is larger than the sum of its proper divisors (8517697).

147404447 is an equidigital number, since it uses as much as digits as its factorization.

147404447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87889.

The product of its (nonzero) digits is 50176, while the sum is 35.

The square root of 147404447 is about 12141.0233094250. The cubic root of 147404447 is about 528.2467842672.

The spelling of 147404447 in words is "one hundred forty-seven million, four hundred four thousand, four hundred forty-seven".