45049005 has 12 divisors (see below), whose sum is σ = 78085020. Its totient is φ = 24026112.

The previous prime is 45049001. The next prime is 45049051. The reversal of 45049005 is 50094054.

It can be written as a sum of positive squares in 2 ways, for example, as 34821801 + 10227204 = 5901^2 + 3198^2 .

It is not a de Polignac number, because 45049005 - 2² = 45049001 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 45049005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45049001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 500500 + ... + 500589.

It is an arithmetic number, because the mean of its divisors is an integer number (6507085).

Almost surely, 2^45049005 is an apocalyptic number.

45049005 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45049005 is a deficient number, since it is larger than the sum of its proper divisors (33036015).

45049005 is a wasteful number, since it uses less digits than its factorization.

45049005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001100 (or 1001097 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 45049005 is about 6711.8555556567. The cubic root of 45049005 is about 355.8183988355.

It can be divided in two parts, 450 and 49005, that added together give a triangular number (49455 = T₃₁₄).

The spelling of 45049005 in words is "forty-five million, forty-nine thousand, five".