49845 has 8 divisors (see below), whose sum is σ = 79776. Its totient is φ = 26576.

The previous prime is 49843. The next prime is 49853. The reversal of 49845 is 54894.

49845 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 49845 - 2¹ = 49843 is a prime.

49845 is a lucky number.

It is a nialpdrome in base 9 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1647 + ... + 1676.

It is an arithmetic number, because the mean of its divisors is an integer number (9972).

2⁴⁹⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

49845 is a deficient number, since it is larger than the sum of its proper divisors (29931).

49845 is a wasteful number, since it uses less digits than its factorization.

49845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3331.

The product of its digits is 5760, while the sum is 30.

The square root of 49845 is about 223.2599381887. The cubic root of 49845 is about 36.8022072558.

The spelling of 49845 in words is "forty-nine thousand, eight hundred forty-five".