45855243 has 24 divisors (see below), whose sum is σ = 77462528. Its totient is φ = 25592112.

The previous prime is 45855191. The next prime is 45855263. The reversal of 45855243 is 34255854.

It is not a de Polignac number, because 45855243 - 2⁸ = 45854987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45855198 and 45855207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45855263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5755 + ... + 11172.

Almost surely, 2^45855243 is an apocalyptic number.

45855243 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

45855243 is a deficient number, since it is larger than the sum of its proper divisors (31607285).

45855243 is a wasteful number, since it uses less digits than its factorization.

45855243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16983 (or 16980 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 45855243 is about 6771.6499466526. The cubic root of 45855243 is about 357.9285434196.

The spelling of 45855243 in words is "forty-five million, eight hundred fifty-five thousand, two hundred forty-three".