47143265 has 32 divisors (see below), whose sum is σ = 63334656. Its totient is φ = 33465600.

The previous prime is 47143259. The next prime is 47143273. The reversal of 47143265 is 56234174.

It is not a de Polignac number, because 47143265 - 2⁴ = 47143249 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282212 + ... + 282378.

It is an arithmetic number, because the mean of its divisors is an integer number (1979208).

Almost surely, 2^47143265 is an apocalyptic number.

It is an amenable number.

47143265 is a deficient number, since it is larger than the sum of its proper divisors (16191391).

47143265 is a wasteful number, since it uses less digits than its factorization.

47143265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329.

The product of its digits is 20160, while the sum is 32.

The square root of 47143265 is about 6866.0953241271. The cubic root of 47143265 is about 361.2489158383.

Subtracting 47143265 from its reverse (56234174), we obtain a palindrome (9090909).

The spelling of 47143265 in words is "forty-seven million, one hundred forty-three thousand, two hundred sixty-five".