45515656 has 8 divisors (see below), whose sum is σ = 85341870. Its totient is φ = 22757824.

The previous prime is 45515651. The next prime is 45515669. The reversal of 45515656 is 65651554.

It can be written as a sum of positive squares in only one way, i.e., 35593156 + 9922500 = 5966^2 + 3150^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×45515656² = 4143349882220672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45515651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2844721 + ... + 2844736.

Almost surely, 2^45515656 is an apocalyptic number.

It is an amenable number.

45515656 is a deficient number, since it is larger than the sum of its proper divisors (39826214).

45515656 is a wasteful number, since it uses less digits than its factorization.

45515656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5689463 (or 5689459 counting only the distinct ones).

The product of its digits is 90000, while the sum is 37.

The square root of 45515656 is about 6746.5291817349. The cubic root of 45515656 is about 357.0427910742.

The spelling of 45515656 in words is "forty-five million, five hundred fifteen thousand, six hundred fifty-six".