45216927 has 16 divisors (see below), whose sum is σ = 76558080. Its totient is φ = 25838136.

The previous prime is 45216911. The next prime is 45216929. The reversal of 45216927 is 72961254.

It is not a de Polignac number, because 45216927 - 2⁴ = 45216911 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 45216891 and 45216900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45216929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119433 + ... + 119810.

It is an arithmetic number, because the mean of its divisors is an integer number (4784880).

Almost surely, 2^45216927 is an apocalyptic number.

45216927 is a deficient number, since it is larger than the sum of its proper divisors (31341153).

45216927 is a wasteful number, since it uses less digits than its factorization.

45216927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239259 (or 239253 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 45216927 is about 6724.3532774535. The cubic root of 45216927 is about 356.2599598323.

The spelling of 45216927 in words is "forty-five million, two hundred sixteen thousand, nine hundred twenty-seven".