45640001 has 8 divisors (see below), whose sum is σ = 50349600. Its totient is φ = 41023840.

The previous prime is 45639989. The next prime is 45640003. The reversal of 45640001 is 10004654.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45640001 - 2²² = 41445697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45640003) 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 7 ways as a sum of consecutive naturals, for example, 22331 + ... + 24288.

It is an arithmetic number, because the mean of its divisors is an integer number (6293700).

Almost surely, 2^45640001 is an apocalyptic number.

It is an amenable number.

45640001 is a deficient number, since it is larger than the sum of its proper divisors (4709599).

45640001 is a wasteful number, since it uses less digits than its factorization.

45640001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46719.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 45640001 is about 6755.7383756330. The cubic root of 45640001 is about 357.3676325451.

Adding to 45640001 its reverse (10004654), we get a palindrome (55644655).

It can be divided in two parts, 45 and 640001, that added together give a palindrome (640046).

The spelling of 45640001 in words is "forty-five million, six hundred forty thousand, one".