47289144 has 128 divisors (see below), whose sum is σ = 141834240. Its totient is φ = 12859392.

The previous prime is 47289139. The next prime is 47289199. The reversal of 47289144 is 44198274.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 418432 + ... + 418544.

It is an arithmetic number, because the mean of its divisors is an integer number (1108080).

Almost surely, 2^47289144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47289144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70917120).

47289144 is an abundant number, since it is smaller than the sum of its proper divisors (94545096).

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

47289144 is a wasteful number, since it uses less digits than its factorization.

47289144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 225 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 47289144 is about 6876.7102600008. The cubic root of 47289144 is about 361.6211455186.

The spelling of 47289144 in words is "forty-seven million, two hundred eighty-nine thousand, one hundred forty-four".