45164231 has 12 divisors (see below), whose sum is σ = 53326008. Its totient is φ = 38131632.

The previous prime is 45164213. The next prime is 45164237. The reversal of 45164231 is 13246154.

45164231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-45164231 is a prime.

It is a super-2 number, since 2×45164231² = 4079615523642722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45164231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45164237) 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 11 ways as a sum of consecutive naturals, for example, 3596 + ... + 10161.

It is an arithmetic number, because the mean of its divisors is an integer number (4443834).

Almost surely, 2^45164231 is an apocalyptic number.

45164231 is a deficient number, since it is larger than the sum of its proper divisors (8161777).

45164231 is a wasteful number, since it uses less digits than its factorization.

45164231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13838 (or 13831 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 45164231 is about 6720.4338401624. The cubic root of 45164231 is about 356.1215104086.

The spelling of 45164231 in words is "forty-five million, one hundred sixty-four thousand, two hundred thirty-one".