47144305 has 16 divisors (see below), whose sum is σ = 61415424. Its totient is φ = 34534080.

The previous prime is 47144299. The next prime is 47144309. The reversal of 47144305 is 50344174.

It is not a de Polignac number, because 47144305 - 2⁷ = 47144177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47144309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5400 + ... + 11110.

It is an arithmetic number, because the mean of its divisors is an integer number (3838464).

Almost surely, 2^47144305 is an apocalyptic number.

It is an amenable number.

47144305 is a deficient number, since it is larger than the sum of its proper divisors (14271119).

47144305 is a wasteful number, since it uses less digits than its factorization.

47144305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5856.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 47144305 is about 6866.1710581663. The cubic root of 47144305 is about 361.2515722524.

Adding to 47144305 its reverse (50344174), we get a palindrome (97488479).

The spelling of 47144305 in words is "forty-seven million, one hundred forty-four thousand, three hundred five".