47143241 has 4 divisors (see below), whose sum is σ = 48768900. Its totient is φ = 45517584.

The previous prime is 47143231. The next prime is 47143247. The reversal of 47143241 is 14234174.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14234174 = 2 ⋅7117087.

It can be written as a sum of positive squares in 2 ways, for example, as 40589641 + 6553600 = 6371^2 + 2560^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47143241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47143241.

It is not an unprimeable number, because it can be changed into a prime (47143247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812786 + ... + 812843.

It is an arithmetic number, because the mean of its divisors is an integer number (12192225).

Almost surely, 2^47143241 is an apocalyptic number.

It is an amenable number.

47143241 is a deficient number, since it is larger than the sum of its proper divisors (1625659).

47143241 is a wasteful number, since it uses less digits than its factorization.

47143241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625658.

The product of its digits is 2688, while the sum is 26.

The square root of 47143241 is about 6866.0935764086. The cubic root of 47143241 is about 361.2488545359.

The spelling of 47143241 in words is "forty-seven million, one hundred forty-three thousand, two hundred forty-one".