47315143 has 2 divisors, whose sum is σ = 47315144. Its totient is φ = 47315142.

The previous prime is 47315101. The next prime is 47315161. The reversal of 47315143 is 34151374.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47315143 - 2¹³ = 47306951 is a prime.

It is a super-2 number, since 2×47315143² = 4477445514220898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47315243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23657571 + 23657572.

It is an arithmetic number, because the mean of its divisors is an integer number (23657572).

Almost surely, 2^47315143 is an apocalyptic number.

47315143 is a deficient number, since it is larger than the sum of its proper divisors (1).

47315143 is an equidigital number, since it uses as much as digits as its factorization.

47315143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 28.

The square root of 47315143 is about 6878.6003663536. The cubic root of 47315143 is about 361.6874050227.

The spelling of 47315143 in words is "forty-seven million, three hundred fifteen thousand, one hundred forty-three".