45415843 has 4 divisors (see below), whose sum is σ = 49544568. Its totient is φ = 41287120.

The previous prime is 45415819. The next prime is 45415847. The reversal of 45415843 is 34851454.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45415843 - 2²⁵ = 11861411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45415799 and 45415808.

It is not an unprimeable number, because it can be changed into a prime (45415847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2064346 + ... + 2064367.

It is an arithmetic number, because the mean of its divisors is an integer number (12386142).

Almost surely, 2^45415843 is an apocalyptic number.

45415843 is a deficient number, since it is larger than the sum of its proper divisors (4128725).

45415843 is a wasteful number, since it uses less digits than its factorization.

45415843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4128724.

The product of its digits is 38400, while the sum is 34.

The square root of 45415843 is about 6739.1277625521. The cubic root of 45415843 is about 356.7816091915.

The spelling of 45415843 in words is "forty-five million, four hundred fifteen thousand, eight hundred forty-three".