47105245 has 8 divisors (see below), whose sum is σ = 61665120. Its totient is φ = 34258320.

The previous prime is 47105231. The next prime is 47105257. The reversal of 47105245 is 54250174.

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

It is not a de Polignac number, because 47105245 - 2¹³ = 47097053 is a prime.

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, 428175 + ... + 428284.

It is an arithmetic number, because the mean of its divisors is an integer number (7708140).

Almost surely, 2^47105245 is an apocalyptic number.

It is an amenable number.

47105245 is a deficient number, since it is larger than the sum of its proper divisors (14559875).

47105245 is a wasteful number, since it uses less digits than its factorization.

47105245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856475.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 47105245 is about 6863.3260887124. The cubic root of 47105245 is about 361.1517766345.

Subtracting 47105245 from its reverse (54250174), we obtain a square (7144929 = 2673²).

The spelling of 47105245 in words is "forty-seven million, one hundred five thousand, two hundred forty-five".