47745135 has 24 divisors (see below), whose sum is σ = 83569824. Its totient is φ = 25214400.

The previous prime is 47745121. The next prime is 47745199. The reversal of 47745135 is 53154774.

It is a happy number.

47745135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47745135 - 2¹⁰ = 47744111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47745135.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 516 + ... + 9785.

It is an arithmetic number, because the mean of its divisors is an integer number (3482076).

Almost surely, 2^47745135 is an apocalyptic number.

47745135 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

47745135 is a deficient number, since it is larger than the sum of its proper divisors (35824689).

47745135 is a wasteful number, since it uses less digits than its factorization.

47745135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10415 (or 10412 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 47745135 is about 6909.7854525303. The cubic root of 47745135 is about 362.7797539257.

The spelling of 47745135 in words is "forty-seven million, seven hundred forty-five thousand, one hundred thirty-five".