45456530 has 16 divisors (see below), whose sum is σ = 93510720. Its totient is φ = 15585072.

The previous prime is 45456503. The next prime is 45456539. The reversal of 45456530 is 3565454.

45456530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×45456530² = 4132592239281800, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45456539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324620 + ... + 324759.

It is an arithmetic number, because the mean of its divisors is an integer number (5844420).

Almost surely, 2^45456530 is an apocalyptic number.

45456530 is an abundant number, since it is smaller than the sum of its proper divisors (48054190).

45456530 is a wasteful number, since it uses less digits than its factorization.

45456530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649393.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 45456530 is about 6742.1458008560. The cubic root of 45456530 is about 356.8881215124. Note that the first 3 decimals are identical.

The spelling of 45456530 in words is "forty-five million, four hundred fifty-six thousand, five hundred thirty".