47145224 has 16 divisors (see below), whose sum is σ = 101025600. Its totient is φ = 20205072.

The previous prime is 47145211. The next prime is 47145227. The reversal of 47145224 is 42254174.

It is not an unprimeable number, because it can be changed into a prime (47145227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420884 + ... + 420995.

It is an arithmetic number, because the mean of its divisors is an integer number (6314100).

Almost surely, 2^47145224 is an apocalyptic number.

It is an amenable number.

47145224 is an abundant number, since it is smaller than the sum of its proper divisors (53880376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47145224 is a wasteful number, since it uses less digits than its factorization.

47145224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841892 (or 841888 counting only the distinct ones).

The product of its digits is 8960, while the sum is 29.

The square root of 47145224 is about 6866.2379801460. The cubic root of 47145224 is about 361.2539195705.

Adding to 47145224 its reverse (42254174), we get a palindrome (89399398).

The spelling of 47145224 in words is "forty-seven million, one hundred forty-five thousand, two hundred twenty-four".