147444047 has 4 divisors (see below), whose sum is σ = 155204280. Its totient is φ = 139683816.

The previous prime is 147443983. The next prime is 147444049. The reversal of 147444047 is 740444741.

147444047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740444741 = 17 ⋅43555573.

It is a cyclic number.

It is not a de Polignac number, because 147444047 - 2⁶ = 147443983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147443998 and 147444016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147444049) 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, 3880088 + ... + 3880125.

It is an arithmetic number, because the mean of its divisors is an integer number (38801070).

Almost surely, 2^147444047 is an apocalyptic number.

147444047 is a deficient number, since it is larger than the sum of its proper divisors (7760233).

147444047 is an equidigital number, since it uses as much as digits as its factorization.

147444047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7760232.

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

The square root of 147444047 is about 12142.6540344358. The cubic root of 147444047 is about 528.2940842868.

Adding to 147444047 its reverse (740444741), we get a palindrome (887888788).

The spelling of 147444047 in words is "one hundred forty-seven million, four hundred forty-four thousand, forty-seven".