45541547 has 2 divisors, whose sum is σ = 45541548. Its totient is φ = 45541546.

The previous prime is 45541523. The next prime is 45541549. The reversal of 45541547 is 74514554.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45541547 - 2⁸ = 45541291 is a prime.

Together with 45541549, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45541549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22770773 + 22770774.

It is an arithmetic number, because the mean of its divisors is an integer number (22770774).

Almost surely, 2^45541547 is an apocalyptic number.

45541547 is a deficient number, since it is larger than the sum of its proper divisors (1).

45541547 is an equidigital number, since it uses as much as digits as its factorization.

45541547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56000, while the sum is 35.

The square root of 45541547 is about 6748.4477474453. The cubic root of 45541547 is about 357.1104779864.

The spelling of 45541547 in words is "forty-five million, five hundred forty-one thousand, five hundred forty-seven".