4545532231 has 2 divisors, whose sum is σ = 4545532232. Its totient is φ = 4545532230.

The previous prime is 4545532207. The next prime is 4545532283. The reversal of 4545532231 is 1322355454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4545532231 - 2¹⁵ = 4545499463 is a prime.

It is a super-2 number, since 2×4545532231² = 41323726526119674722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4545532531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272766115 + 2272766116.

It is an arithmetic number, because the mean of its divisors is an integer number (2272766116).

Almost surely, 2^4545532231 is an apocalyptic number.

4545532231 is a deficient number, since it is larger than the sum of its proper divisors (1).

4545532231 is an equidigital number, since it uses as much as digits as its factorization.

4545532231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72000, while the sum is 34.

The square root of 4545532231 is about 67420.5623752873. The cubic root of 4545532231 is about 1656.5132493089.

Adding to 4545532231 its reverse (1322355454), we get a palindrome (5867887685).

The spelling of 4545532231 in words is "four billion, five hundred forty-five million, five hundred thirty-two thousand, two hundred thirty-one".