45507130 has 32 divisors (see below), whose sum is σ = 88860240. Its totient is φ = 16711680.

The previous prime is 45507127. The next prime is 45507169. The reversal of 45507130 is 3170554.

45507130 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 8 ways, for example, as 4968441 + 40538689 = 2229^2 + 6367^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45507095 and 45507104.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3706 + ... + 10234.

Almost surely, 2^45507130 is an apocalyptic number.

45507130 is a deficient number, since it is larger than the sum of its proper divisors (43353110).

45507130 is a wasteful number, since it uses less digits than its factorization.

45507130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6594.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 45507130 is about 6745.8972716756. The cubic root of 45507130 is about 357.0204959110.

Adding to 45507130 its reverse (3170554), we get a palindrome (48677684).

The spelling of 45507130 in words is "forty-five million, five hundred seven thousand, one hundred thirty".