45523000 has 32 divisors (see below), whose sum is σ = 106526160. Its totient is φ = 18208800.

The previous prime is 45522979. The next prime is 45523001. The reversal of 45523000 is 32554.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45523001) 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 in 7 ways as a sum of consecutive naturals, for example, 21762 + ... + 23761.

Almost surely, 2^45523000 is an apocalyptic number.

45523000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45523000 is an abundant number, since it is smaller than the sum of its proper divisors (61003160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45523000 is a wasteful number, since it uses less digits than its factorization.

45523000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45544 (or 45530 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 45523000 is about 6747.0734396477. The cubic root of 45523000 is about 357.0619931208.

Adding to 45523000 its reverse (32554), we get a palindrome (45555554).

The spelling of 45523000 in words is "forty-five million, five hundred twenty-three thousand".