45181504 has 28 divisors (see below), whose sum is σ = 90329004. Its totient is φ = 22421504.

The previous prime is 45181483. The next prime is 45181511. The reversal of 45181504 is 40518154.

It can be written as a sum of positive squares in 2 ways, for example, as 27541504 + 17640000 = 5248^2 + 4200^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6192 + ... + 11344.

Almost surely, 2^45181504 is an apocalyptic number.

It is an amenable number.

45181504 is a deficient number, since it is larger than the sum of its proper divisors (45147500).

45181504 is a wasteful number, since it uses less digits than its factorization.

45181504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5302 (or 5292 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 45181504 is about 6721.7188277999. The cubic root of 45181504 is about 356.1669040213.

Adding to 45181504 its reverse (40518154), we get a palindrome (85699658).

It can be divided in two parts, 4518150 and 4, that added together give a palindrome (4518154).

The spelling of 45181504 in words is "forty-five million, one hundred eighty-one thousand, five hundred four".