45485641 has 4 divisors (see below), whose sum is σ = 45499284. Its totient is φ = 45472000.

The previous prime is 45485611. The next prime is 45485647. The reversal of 45485641 is 14658454.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 33686416 + 11799225 = 5804^2 + 3435^2 .

It is a cyclic number.

It is not a de Polignac number, because 45485641 - 2⁹ = 45485129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45485641.

It is not an unprimeable number, because it can be changed into a prime (45485647) 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, 1881 + ... + 9721.

It is an arithmetic number, because the mean of its divisors is an integer number (11374821).

Almost surely, 2^45485641 is an apocalyptic number.

It is an amenable number.

45485641 is a deficient number, since it is larger than the sum of its proper divisors (13643).

45485641 is an equidigital number, since it uses as much as digits as its factorization.

45485641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13642.

The product of its digits is 76800, while the sum is 37.

The square root of 45485641 is about 6744.3043377357. The cubic root of 45485641 is about 356.9642906427.

The spelling of 45485641 in words is "forty-five million, four hundred eighty-five thousand, six hundred forty-one".