45820843 has 4 divisors (see below), whose sum is σ = 46886488. Its totient is φ = 44755200.

The previous prime is 45820811. The next prime is 45820871. The reversal of 45820843 is 34802854.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34802854 = 2 ⋅17401427.

It is a cyclic number.

It is not a de Polignac number, because 45820843 - 2⁵ = 45820811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45820799 and 45820808.

It is not an unprimeable number, because it can be changed into a prime (45820043) 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, 532758 + ... + 532843.

It is an arithmetic number, because the mean of its divisors is an integer number (11721622).

Almost surely, 2^45820843 is an apocalyptic number.

45820843 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

45820843 is a deficient number, since it is larger than the sum of its proper divisors (1065645).

45820843 is a wasteful number, since it uses less digits than its factorization.

45820843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065644.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 45820843 is about 6769.1094687558. The cubic root of 45820843 is about 357.8390166005.

The spelling of 45820843 in words is "forty-five million, eight hundred twenty thousand, eight hundred forty-three".