45130522 has 4 divisors (see below), whose sum is σ = 67695786. Its totient is φ = 22565260.

The previous prime is 45130499. The next prime is 45130543. The reversal of 45130522 is 22503154.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38427601 + 6702921 = 6199^2 + 2589^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45130493 and 45130502.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 11282629 + ... + 11282632.

Almost surely, 2^45130522 is an apocalyptic number.

45130522 is a deficient number, since it is larger than the sum of its proper divisors (22565264).

45130522 is a wasteful number, since it uses less digits than its factorization.

45130522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22565263.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 45130522 is about 6717.9254238195. The cubic root of 45130522 is about 356.0328894834.

Adding to 45130522 its reverse (22503154), we get a palindrome (67633676).

The spelling of 45130522 in words is "forty-five million, one hundred thirty thousand, five hundred twenty-two".