47459144 has 8 divisors (see below), whose sum is σ = 88985910. Its totient is φ = 23729568.

The previous prime is 47459141. The next prime is 47459147. The reversal of 47459144 is 44195474.

It is an interprime number because it is at equal distance from previous prime (47459141) and next prime (47459147).

It can be written as a sum of positive squares in only one way, i.e., 47087044 + 372100 = 6862^2 + 610^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 47459098 and 47459107.

It is not an unprimeable number, because it can be changed into a prime (47459141) 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 as a sum of consecutive naturals, namely, 2966189 + ... + 2966204.

Almost surely, 2^47459144 is an apocalyptic number.

It is an amenable number.

47459144 is a deficient number, since it is larger than the sum of its proper divisors (41526766).

47459144 is a wasteful number, since it uses less digits than its factorization.

47459144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5932399 (or 5932395 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 47459144 is about 6889.0597326486. The cubic root of 47459144 is about 362.0539585633.

The spelling of 47459144 in words is "forty-seven million, four hundred fifty-nine thousand, one hundred forty-four".