47161444 has 18 divisors (see below), whose sum is σ = 90718502. Its totient is φ = 21436800.

The previous prime is 47161403. The next prime is 47161459. The reversal of 47161444 is 44416174.

It can be written as a sum of positive squares in only one way, i.e., 37675044 + 9486400 = 6138^2 + 3080^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48237 + ... + 49204.

Almost surely, 2^47161444 is an apocalyptic number.

47161444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

47161444 is a deficient number, since it is larger than the sum of its proper divisors (43557058).

47161444 is a wasteful number, since it uses less digits than its factorization.

47161444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97467 (or 97454 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 47161444 is about 6867.4190202725. The cubic root of 47161444 is about 361.2953438211.

The spelling of 47161444 in words is "forty-seven million, one hundred sixty-one thousand, four hundred forty-four".