47112144 has 40 divisors (see below), whose sum is σ = 121962432. Its totient is φ = 15671040.

The previous prime is 47112139. The next prime is 47112173. The reversal of 47112144 is 44121174.

It is a super-2 number, since 2×47112144² = 4439108224553472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35004 + ... + 36324.

Almost surely, 2^47112144 is an apocalyptic number.

It is an amenable number.

47112144 is an abundant number, since it is smaller than the sum of its proper divisors (74850288).

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

47112144 is a wasteful number, since it uses less digits than its factorization.

47112144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075 (or 2069 counting only the distinct ones).

The product of its digits is 896, while the sum is 24.

The square root of 47112144 is about 6863.8286691904. The cubic root of 47112144 is about 361.1694071162.

The spelling of 47112144 in words is "forty-seven million, one hundred twelve thousand, one hundred forty-four".