47145883 has 4 divisors (see below), whose sum is σ = 49195728. Its totient is φ = 45096040.

The previous prime is 47145877. The next prime is 47145887. The reversal of 47145883 is 38854174.

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 47145883 - 2¹³ = 47137691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47145887) 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, 1024888 + ... + 1024933.

It is an arithmetic number, because the mean of its divisors is an integer number (12298932).

Almost surely, 2^47145883 is an apocalyptic number.

47145883 is a deficient number, since it is larger than the sum of its proper divisors (2049845).

47145883 is a wasteful number, since it uses less digits than its factorization.

47145883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049844.

The product of its digits is 107520, while the sum is 40.

The square root of 47145883 is about 6866.2859684112. The cubic root of 47145883 is about 361.2556027755.

The spelling of 47145883 in words is "forty-seven million, one hundred forty-five thousand, eight hundred eighty-three".