45849816 has 96 divisors (see below), whose sum is σ = 134447040. Its totient is φ = 14060544.

The previous prime is 45849803. The next prime is 45849851. The reversal of 45849816 is 61894854.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57130 + ... + 57926.

It is an arithmetic number, because the mean of its divisors is an integer number (1400490).

Almost surely, 2^45849816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45849816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67223520).

45849816 is an abundant number, since it is smaller than the sum of its proper divisors (88597224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45849816 is a wasteful number, since it uses less digits than its factorization.

45849816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873 (or 866 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 45849816 is about 6771.2492200480. The cubic root of 45849816 is about 357.9144224982.

It can be divided in two parts, 45849 and 816, that added together give a triangular number (46665 = T₃₀₅).

The spelling of 45849816 in words is "forty-five million, eight hundred forty-nine thousand, eight hundred sixteen".