45532231 has 2 divisors, whose sum is σ = 45532232. Its totient is φ = 45532230.

The previous prime is 45532219. The next prime is 45532259. The reversal of 45532231 is 13223554.

45532231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45532231 - 2⁵ = 45532199 is a prime.

It is a super-2 number, since 2×45532231² = 4146368119674722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45532196 and 45532205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45532261) 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 as a sum of consecutive naturals, namely, 22766115 + 22766116.

It is an arithmetic number, because the mean of its divisors is an integer number (22766116).

Almost surely, 2^45532231 is an apocalyptic number.

45532231 is a deficient number, since it is larger than the sum of its proper divisors (1).

45532231 is an equidigital number, since it uses as much as digits as its factorization.

45532231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 25.

The square root of 45532231 is about 6747.7574793408. The cubic root of 45532231 is about 357.0861260975.

Adding to 45532231 its reverse (13223554), we get a palindrome (58755785).

The spelling of 45532231 in words is "forty-five million, five hundred thirty-two thousand, two hundred thirty-one".