5445043231 has 2 divisors, whose sum is σ = 5445043232. Its totient is φ = 5445043230.

The previous prime is 5445043213. The next prime is 5445043243. The reversal of 5445043231 is 1323405445.

Together with previous prime (5445043213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5445043231 - 2¹³ = 5445035039 is a prime.

It is a super-2 number, since 2×5445043231² = 59296991574917838722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5445043193 and 5445043202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5445043631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2722521615 + 2722521616.

It is an arithmetic number, because the mean of its divisors is an integer number (2722521616).

Almost surely, 2^5445043231 is an apocalyptic number.

5445043231 is a deficient number, since it is larger than the sum of its proper divisors (1).

5445043231 is an equidigital number, since it uses as much as digits as its factorization.

5445043231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 5445043231 is about 73790.5361885926. The cubic root of 5445043231 is about 1759.2751869740.

Adding to 5445043231 its reverse (1323405445), we get a palindrome (6768448676).

The spelling of 5445043231 in words is "five billion, four hundred forty-five million, forty-three thousand, two hundred thirty-one".