45343231 has 2 divisors, whose sum is σ = 45343232. Its totient is φ = 45343230.

The previous prime is 45343223. The next prime is 45343271. The reversal of 45343231 is 13234354.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45343231 - 2³ = 45343223 is a prime.

It is a super-2 number, since 2×45343231² = 4112017195038722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45343196 and 45343205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45343201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22671615 + 22671616.

It is an arithmetic number, because the mean of its divisors is an integer number (22671616).

Almost surely, 2^45343231 is an apocalyptic number.

45343231 is a deficient number, since it is larger than the sum of its proper divisors (1).

45343231 is an equidigital number, since it uses as much as digits as its factorization.

45343231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 25.

The square root of 45343231 is about 6733.7382634017. The cubic root of 45343231 is about 356.5913639416.

Adding to 45343231 its reverse (13234354), we get a palindrome (58577585).

The spelling of 45343231 in words is "forty-five million, three hundred forty-three thousand, two hundred thirty-one".