45102005 has 8 divisors (see below), whose sum is σ = 58285752. Its totient is φ = 33306048.

The previous prime is 45101963. The next prime is 45102007. The reversal of 45102005 is 50020154.

45102005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 37636 + 45064369 = 194^2 + 6713^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 45102005 - 2⁶ = 45101941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45102007) 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 7 ways as a sum of consecutive naturals, for example, 346874 + ... + 347003.

It is an arithmetic number, because the mean of its divisors is an integer number (7285719).

Almost surely, 2^45102005 is an apocalyptic number.

It is an amenable number.

45102005 is a deficient number, since it is larger than the sum of its proper divisors (13183747).

45102005 is a wasteful number, since it uses less digits than its factorization.

45102005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693895.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 45102005 is about 6715.8026325972. The cubic root of 45102005 is about 355.9578838575.

Adding to 45102005 its reverse (50020154), we get a palindrome (95122159).

The spelling of 45102005 in words is "forty-five million, one hundred two thousand, five".