45005512 has 16 divisors (see below), whose sum is σ = 84700800. Its totient is φ = 22418640.

The previous prime is 45005491. The next prime is 45005531. The reversal of 45005512 is 21550054.

It is a super-2 number, since 2×45005512² = 4050992220764288, which contains 22 as substring.

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, 8212 + ... + 12547.

It is an arithmetic number, because the mean of its divisors is an integer number (5293800).

Almost surely, 2^45005512 is an apocalyptic number.

It is an amenable number.

45005512 is a deficient number, since it is larger than the sum of its proper divisors (39695288).

45005512 is a wasteful number, since it uses less digits than its factorization.

45005512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21036 (or 21032 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 45005512 is about 6708.6147601424. The cubic root of 45005512 is about 355.7038525197.

Adding to 45005512 its reverse (21550054), we get a palindrome (66555566).

The spelling of 45005512 in words is "forty-five million, five thousand, five hundred twelve".