45132130 has 8 divisors (see below), whose sum is σ = 81237852. Its totient is φ = 18052848.

The previous prime is 45132083. The next prime is 45132137. The reversal of 45132130 is 3123154.

It can be written as a sum of positive squares in 2 ways, for example, as 41563809 + 3568321 = 6447^2 + 1889^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 45132098 and 45132107.

It is not an unprimeable number, because it can be changed into a prime (45132137) 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 3 ways as a sum of consecutive naturals, for example, 2256597 + ... + 2256616.

Almost surely, 2^45132130 is an apocalyptic number.

45132130 is a deficient number, since it is larger than the sum of its proper divisors (36105722).

45132130 is a wasteful number, since it uses less digits than its factorization.

45132130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4513220.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 45132130 is about 6718.0451025577. The cubic root of 45132130 is about 356.0371179158.

Adding to 45132130 its reverse (3123154), we get a palindrome (48255284).

The spelling of 45132130 in words is "forty-five million, one hundred thirty-two thousand, one hundred thirty".