45908641 has 4 divisors (see below), whose sum is σ = 46363284. Its totient is φ = 45454000.

The previous prime is 45908593. The next prime is 45908647. The reversal of 45908641 is 14680954.

It is a happy number.

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 39955041 + 5953600 = 6321^2 + 2440^2 .

It is a cyclic number.

It is not a de Polignac number, because 45908641 - 2¹⁵ = 45875873 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 45908641.

It is not an unprimeable number, because it can be changed into a prime (45908647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227170 + ... + 227371.

It is an arithmetic number, because the mean of its divisors is an integer number (11590821).

Almost surely, 2^45908641 is an apocalyptic number.

It is an amenable number.

45908641 is a deficient number, since it is larger than the sum of its proper divisors (454643).

45908641 is a wasteful number, since it uses less digits than its factorization.

45908641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454642.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 45908641 is about 6775.5915608897. The cubic root of 45908641 is about 358.0674243346.

It can be divided in two parts, 4590 and 8641, that added together give a palindrome (13231).

The spelling of 45908641 in words is "forty-five million, nine hundred eight thousand, six hundred forty-one".