47285845 has 16 divisors (see below), whose sum is σ = 58464000. Its totient is φ = 36698688.

The previous prime is 47285831. The next prime is 47285873. The reversal of 47285845 is 54858274.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 47285845 - 2¹⁵ = 47253077 is a prime.

It is a super-2 number, since 2×47285845² = 4471902274728050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22291 + ... + 24319.

It is an arithmetic number, because the mean of its divisors is an integer number (3654000).

Almost surely, 2^47285845 is an apocalyptic number.

It is an amenable number.

47285845 is a deficient number, since it is larger than the sum of its proper divisors (11178155).

47285845 is a wasteful number, since it uses less digits than its factorization.

47285845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172.

The product of its digits is 358400, while the sum is 43.

The square root of 47285845 is about 6876.4703882152. The cubic root of 47285845 is about 361.6127361474.

The spelling of 47285845 in words is "forty-seven million, two hundred eighty-five thousand, eight hundred forty-five".