45503985 has 16 divisors (see below), whose sum is σ = 77089536. Its totient is φ = 22841088.

The previous prime is 45503981. The next prime is 45503999. The reversal of 45503985 is 58930554.

It is not a de Polignac number, because 45503985 - 2² = 45503981 is a prime.

It is a super-2 number, since 2×45503985² = 4141225301760450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45503981) 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, 88969 + ... + 89478.

It is an arithmetic number, because the mean of its divisors is an integer number (4818096).

Almost surely, 2^45503985 is an apocalyptic number.

It is an amenable number.

45503985 is a deficient number, since it is larger than the sum of its proper divisors (31585551).

45503985 is a wasteful number, since it uses less digits than its factorization.

45503985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178472.

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 45503985 is about 6745.6641630013. The cubic root of 45503985 is about 357.0122711535.

The spelling of 45503985 in words is "forty-five million, five hundred three thousand, nine hundred eighty-five".