45172630 has 16 divisors (see below), whose sum is σ = 81953280. Its totient is φ = 17926272.

The previous prime is 45172627. The next prime is 45172639. The reversal of 45172630 is 3627154.

45172630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×45172630² = 4081133002233800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45172639) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16515 + ... + 19054.

It is an arithmetic number, because the mean of its divisors is an integer number (5122080).

Almost surely, 2^45172630 is an apocalyptic number.

45172630 is a deficient number, since it is larger than the sum of its proper divisors (36780650).

45172630 is a wasteful number, since it uses less digits than its factorization.

45172630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35703.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 45172630 is about 6721.0586963662. The cubic root of 45172630 is about 356.1435845080.

Adding to 45172630 its reverse (3627154), we get a palindrome (48799784).

The spelling of 45172630 in words is "forty-five million, one hundred seventy-two thousand, six hundred thirty".