45802145 has 4 divisors (see below), whose sum is σ = 54962580. Its totient is φ = 36641712.

The previous prime is 45802129. The next prime is 45802201. The reversal of 45802145 is 54120854.

45802145 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.

It can be written as a sum of positive squares in 2 ways, for example, as 6964321 + 38837824 = 2639^2 + 6232^2 .

It is a cyclic number.

It is not a de Polignac number, because 45802145 - 2⁴ = 45802129 is a prime.

It is an unprimeable number.

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, 4580210 + ... + 4580219.

It is an arithmetic number, because the mean of its divisors is an integer number (13740645).

Almost surely, 2^45802145 is an apocalyptic number.

It is an amenable number.

45802145 is a deficient number, since it is larger than the sum of its proper divisors (9160435).

45802145 is an equidigital number, since it uses as much as digits as its factorization.

45802145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9160434.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 45802145 is about 6767.7282008071. The cubic root of 45802145 is about 357.7903358124.

Adding to 45802145 its reverse (54120854), we get a palindrome (99922999).

The spelling of 45802145 in words is "forty-five million, eight hundred two thousand, one hundred forty-five".