45136230 has 32 divisors (see below), whose sum is σ = 109638144. Its totient is φ = 11890656.

The previous prime is 45136213. The next prime is 45136237. The reversal of 45136230 is 3263154.

It is a happy number.

45136230 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 2×45136230² = 4074558517225800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45136230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45136237) 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 15 ways as a sum of consecutive naturals, for example, 6574 + ... + 11553.

It is an arithmetic number, because the mean of its divisors is an integer number (3426192).

Almost surely, 2^45136230 is an apocalyptic number.

45136230 is an abundant number, since it is smaller than the sum of its proper divisors (64501914).

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

45136230 is a wasteful number, since it uses less digits than its factorization.

45136230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18220.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 45136230 is about 6718.3502439215. The cubic root of 45136230 is about 356.0478989121.

Adding to 45136230 its reverse (3263154), we get a palindrome (48399384).

The spelling of 45136230 in words is "forty-five million, one hundred thirty-six thousand, two hundred thirty".