47040143 has 4 divisors (see below), whose sum is σ = 49515960. Its totient is φ = 44564328.

The previous prime is 47040131. The next prime is 47040157. The reversal of 47040143 is 34104074.

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 47040143 - 2⁸ = 47039887 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 (47040163) 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, 1237880 + ... + 1237917.

It is an arithmetic number, because the mean of its divisors is an integer number (12378990).

Almost surely, 2^47040143 is an apocalyptic number.

47040143 is a deficient number, since it is larger than the sum of its proper divisors (2475817).

47040143 is a wasteful number, since it uses less digits than its factorization.

47040143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475816.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 47040143 is about 6858.5817046967. The cubic root of 47040143 is about 360.9853228226.

The spelling of 47040143 in words is "forty-seven million, forty thousand, one hundred forty-three".