45511130 has 32 divisors (see below), whose sum is σ = 93899520. Its totient is φ = 15557760.

The previous prime is 45511117. The next prime is 45511133. The reversal of 45511130 is 3111554.

It is not an unprimeable number, because it can be changed into a prime (45511133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29990 + ... + 31470.

It is an arithmetic number, because the mean of its divisors is an integer number (2934360).

Almost surely, 2^45511130 is an apocalyptic number.

45511130 is an abundant number, since it is smaller than the sum of its proper divisors (48388390).

45511130 is a wasteful number, since it uses less digits than its factorization.

45511130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 45511130 is about 6746.1937416591. The cubic root of 45511130 is about 357.0309561044.

Adding to 45511130 its reverse (3111554), we get a palindrome (48622684).

The spelling of 45511130 in words is "forty-five million, five hundred eleven thousand, one hundred thirty".