45543861 has 12 divisors (see below), whose sum is σ = 71766240. Its totient is φ = 27602280.

The previous prime is 45543857. The next prime is 45543863. The reversal of 45543861 is 16834554.

It is a happy number.

It is not a de Polignac number, because 45543861 - 2² = 45543857 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45543863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229921 + ... + 230118.

It is an arithmetic number, because the mean of its divisors is an integer number (5980520).

Almost surely, 2^45543861 is an apocalyptic number.

It is an amenable number.

45543861 is a deficient number, since it is larger than the sum of its proper divisors (26222379).

45543861 is a wasteful number, since it uses less digits than its factorization.

45543861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460056 (or 460053 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 45543861 is about 6748.6191921014. The cubic root of 45543861 is about 357.1165262340.

The spelling of 45543861 in words is "forty-five million, five hundred forty-three thousand, eight hundred sixty-one".