45849561 has 12 divisors (see below), whose sum is σ = 64941552. Its totient is φ = 28767808.

The previous prime is 45849539. The next prime is 45849619. The reversal of 45849561 is 16594854.

It is not a de Polignac number, because 45849561 - 2⁶ = 45849497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45849361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25575 + ... + 27308.

It is an arithmetic number, because the mean of its divisors is an integer number (5411796).

Almost surely, 2^45849561 is an apocalyptic number.

It is an amenable number.

45849561 is a deficient number, since it is larger than the sum of its proper divisors (19091991).

45849561 is a wasteful number, since it uses less digits than its factorization.

45849561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52920 (or 52903 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The square root of 45849561 is about 6771.2303904091. The cubic root of 45849561 is about 357.9137589670.

The spelling of 45849561 in words is "forty-five million, eight hundred forty-nine thousand, five hundred sixty-one".