47442151 has 2 divisors, whose sum is σ = 47442152. Its totient is φ = 47442150.

The previous prime is 47442149. The next prime is 47442163. The reversal of 47442151 is 15124474.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47442151 - 2¹ = 47442149 is a prime.

Together with 47442149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47442191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23721075 + 23721076.

It is an arithmetic number, because the mean of its divisors is an integer number (23721076).

Almost surely, 2^47442151 is an apocalyptic number.

47442151 is a deficient number, since it is larger than the sum of its proper divisors (1).

47442151 is an equidigital number, since it uses as much as digits as its factorization.

47442151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4480, while the sum is 28.

The square root of 47442151 is about 6887.8262899118. The cubic root of 47442151 is about 362.0107416204.

The spelling of 47442151 in words is "forty-seven million, four hundred forty-two thousand, one hundred fifty-one".