45631543 has 2 divisors, whose sum is σ = 45631544. Its totient is φ = 45631542.

The previous prime is 45631507. The next prime is 45631561. The reversal of 45631543 is 34513654.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45631543 - 2¹⁷ = 45500471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45631343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22815771 + 22815772.

It is an arithmetic number, because the mean of its divisors is an integer number (22815772).

Almost surely, 2^45631543 is an apocalyptic number.

45631543 is a deficient number, since it is larger than the sum of its proper divisors (1).

45631543 is an equidigital number, since it uses as much as digits as its factorization.

45631543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 31.

The square root of 45631543 is about 6755.1123602794. The cubic root of 45631543 is about 357.3455554044.

The spelling of 45631543 in words is "forty-five million, six hundred thirty-one thousand, five hundred forty-three".