45381843 has 16 divisors (see below), whose sum is σ = 72404640. Its totient is φ = 27927072.

The previous prime is 45381841. The next prime is 45381859. The reversal of 45381843 is 34818354.

It is not a de Polignac number, because 45381843 - 2¹ = 45381841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45381798 and 45381807.

It is not an unprimeable number, because it can be changed into a prime (45381841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64296 + ... + 64997.

It is an arithmetic number, because the mean of its divisors is an integer number (4525290).

Almost surely, 2^45381843 is an apocalyptic number.

45381843 is a deficient number, since it is larger than the sum of its proper divisors (27022797).

45381843 is a wasteful number, since it uses less digits than its factorization.

45381843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129315 (or 129309 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 45381843 is about 6736.6047086051. The cubic root of 45381843 is about 356.6925536087.

The spelling of 45381843 in words is "forty-five million, three hundred eighty-one thousand, eight hundred forty-three".