47144251 has 8 divisors (see below), whose sum is σ = 58777344. Its totient is φ = 36735720.

The previous prime is 47144221. The next prime is 47144257. The reversal of 47144251 is 15244174.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47144251 - 2⁹ = 47143739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47144257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306055 + ... + 306208.

It is an arithmetic number, because the mean of its divisors is an integer number (7347168).

Almost surely, 2^47144251 is an apocalyptic number.

47144251 is a deficient number, since it is larger than the sum of its proper divisors (11633093).

47144251 is a wasteful number, since it uses less digits than its factorization.

47144251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612281.

The product of its digits is 4480, while the sum is 28.

The square root of 47144251 is about 6866.1671258425. The cubic root of 47144251 is about 361.2514343242.

The spelling of 47144251 in words is "forty-seven million, one hundred forty-four thousand, two hundred fifty-one".