45537847 has 2 divisors, whose sum is σ = 45537848. Its totient is φ = 45537846.

The previous prime is 45537803. The next prime is 45537871. The reversal of 45537847 is 74873554.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45537847 - 2⁷ = 45537719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45537887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22768923 + 22768924.

It is an arithmetic number, because the mean of its divisors is an integer number (22768924).

Almost surely, 2^45537847 is an apocalyptic number.

45537847 is a deficient number, since it is larger than the sum of its proper divisors (1).

45537847 is an equidigital number, since it uses as much as digits as its factorization.

45537847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 470400, while the sum is 43.

The square root of 45537847 is about 6748.1736047615. The cubic root of 45537847 is about 357.1008066377.

The spelling of 45537847 in words is "forty-five million, five hundred thirty-seven thousand, eight hundred forty-seven".