45820427 has 4 divisors (see below), whose sum is σ = 46053216. Its totient is φ = 45587640.

The previous prime is 45820417. The next prime is 45820433. The reversal of 45820427 is 72402854.

45820427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72402854 = 2 ⋅36201427.

It is a cyclic number.

It is not a de Polignac number, because 45820427 - 2¹⁴ = 45804043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45820393 and 45820402.

It is not an unprimeable number, because it can be changed into a prime (45820417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116099 + ... + 116492.

It is an arithmetic number, because the mean of its divisors is an integer number (11513304).

Almost surely, 2^45820427 is an apocalyptic number.

45820427 is a deficient number, since it is larger than the sum of its proper divisors (232789).

45820427 is a wasteful number, since it uses less digits than its factorization.

45820427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232788.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 45820427 is about 6769.0787408627. The cubic root of 45820427 is about 357.8379336764.

The spelling of 45820427 in words is "forty-five million, eight hundred twenty thousand, four hundred twenty-seven".