45130212 has 36 divisors (see below), whose sum is σ = 114989056. Its totient is φ = 14923440.

The previous prime is 45130207. The next prime is 45130219. The reversal of 45130212 is 21203154.

45130212 is a `hidden beast` number, since 451 + 3 + 0 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (45130219) 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 11 ways as a sum of consecutive naturals, for example, 364 + ... + 9507.

Almost surely, 2^45130212 is an apocalyptic number.

It is an amenable number.

45130212 is an abundant number, since it is smaller than the sum of its proper divisors (69858844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45130212 is a wasteful number, since it uses less digits than its factorization.

45130212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10008 (or 10003 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 45130212 is about 6717.9023511808. The cubic root of 45130212 is about 356.0320742889.

Adding to 45130212 its reverse (21203154), we get a palindrome (66333366).

The spelling of 45130212 in words is "forty-five million, one hundred thirty thousand, two hundred twelve".