45545261 has 24 divisors (see below), whose sum is σ = 52678080. Its totient is φ = 39128832.

The previous prime is 45545257. The next prime is 45545281. The reversal of 45545261 is 16254554.

It is not a de Polignac number, because 45545261 - 2² = 45545257 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45545281) 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 23 ways as a sum of consecutive naturals, for example, 442136 + ... + 442238.

It is an arithmetic number, because the mean of its divisors is an integer number (2194920).

Almost surely, 2^45545261 is an apocalyptic number.

It is an amenable number.

45545261 is a deficient number, since it is larger than the sum of its proper divisors (7132819).

45545261 is a wasteful number, since it uses less digits than its factorization.

45545261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 176 counting only the distinct ones).

The product of its digits is 24000, while the sum is 32.

The square root of 45545261 is about 6748.7229162264. The cubic root of 45545261 is about 357.1201854027.

The spelling of 45545261 in words is "forty-five million, five hundred forty-five thousand, two hundred sixty-one".