45144130 has 16 divisors (see below), whose sum is σ = 81337464. Its totient is φ = 18040320.

The previous prime is 45144119. The next prime is 45144137. The reversal of 45144130 is 3144154.

It can be written as a sum of positive squares in 4 ways, for example, as 22496049 + 22648081 = 4743^2 + 4759^2 .

It is not an unprimeable number, because it can be changed into a prime (45144137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16114 + ... + 18706.

Almost surely, 2^45144130 is an apocalyptic number.

45144130 is a deficient number, since it is larger than the sum of its proper divisors (36193334).

45144130 is a wasteful number, since it uses less digits than its factorization.

45144130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4341.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 45144130 is about 6718.9381601560. The cubic root of 45144130 is about 356.0686702106.

Adding to 45144130 its reverse (3144154), we get a palindrome (48288284).

The spelling of 45144130 in words is "forty-five million, one hundred forty-four thousand, one hundred thirty".