45849539 has 2 divisors, whose sum is σ = 45849540. Its totient is φ = 45849538.

The previous prime is 45849509. The next prime is 45849619. The reversal of 45849539 is 93594854.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45849539 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 45849493 and 45849502.

It is not a weakly prime, because it can be changed into another prime (45849509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22924769 + 22924770.

It is an arithmetic number, because the mean of its divisors is an integer number (22924770).

Almost surely, 2^45849539 is an apocalyptic number.

45849539 is a deficient number, since it is larger than the sum of its proper divisors (1).

45849539 is an equidigital number, since it uses as much as digits as its factorization.

45849539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 47.

The square root of 45849539 is about 6771.2287658888. The cubic root of 45849539 is about 357.9137017211.

The spelling of 45849539 in words is "forty-five million, eight hundred forty-nine thousand, five hundred thirty-nine".