45840216 has 16 divisors (see below), whose sum is σ = 114600600. Its totient is φ = 15280064.

The previous prime is 45840199. The next prime is 45840229. The reversal of 45840216 is 61204854.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 954981 + ... + 955028.

Almost surely, 2^45840216 is an apocalyptic number.

It is an amenable number.

45840216 is an abundant number, since it is smaller than the sum of its proper divisors (68760384).

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

45840216 is a wasteful number, since it uses less digits than its factorization.

45840216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910018 (or 1910014 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 45840216 is about 6770.5403034027. The cubic root of 45840216 is about 357.8894408037.

It can be divided in two parts, 45840 and 216, that added together give a triangular number (46056 = T₃₀₃).

The spelling of 45840216 in words is "forty-five million, eight hundred forty thousand, two hundred sixteen".