45040130 has 8 divisors (see below), whose sum is σ = 81072252. Its totient is φ = 18016048.

The previous prime is 45040111. The next prime is 45040139. The reversal of 45040130 is 3104054.

It can be written as a sum of positive squares in 2 ways, for example, as 36566209 + 8473921 = 6047^2 + 2911^2 .

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

It is a super-2 number, since 2×45040130² = 4057226620833800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45040099 and 45040108.

It is not an unprimeable number, because it can be changed into a prime (45040139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2251997 + ... + 2252016.

Almost surely, 2^45040130 is an apocalyptic number.

45040130 is a deficient number, since it is larger than the sum of its proper divisors (36032122).

45040130 is a wasteful number, since it uses less digits than its factorization.

45040130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4504020.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 45040130 is about 6711.1943795423. The cubic root of 45040130 is about 355.7950309817.

Adding to 45040130 its reverse (3104054), we get a palindrome (48144184).

The spelling of 45040130 in words is "forty-five million, forty thousand, one hundred thirty".