45005145 has 8 divisors (see below), whose sum is σ = 72008256. Its totient is φ = 24002736.

The previous prime is 45005123. The next prime is 45005153. The reversal of 45005145 is 54150054.

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

It is not a de Polignac number, because 45005145 - 2⁷ = 45005017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1500157 + ... + 1500186.

It is an arithmetic number, because the mean of its divisors is an integer number (9001032).

Almost surely, 2^45005145 is an apocalyptic number.

It is an amenable number.

45005145 is a deficient number, since it is larger than the sum of its proper divisors (27003111).

45005145 is a wasteful number, since it uses less digits than its factorization.

45005145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000351.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 45005145 is about 6708.5874071968. The cubic root of 45005145 is about 355.7028856480.

Adding to 45005145 its reverse (54150054), we get a palindrome (99155199).

It can be divided in two parts, 45005 and 145, that added together give a triangular number (45150 = T₃₀₀).

The spelling of 45005145 in words is "forty-five million, five thousand, one hundred forty-five".