45318520 has 32 divisors (see below), whose sum is σ = 109811520. Its totient is φ = 16732800.

The previous prime is 45318479. The next prime is 45318541. The reversal of 45318520 is 2581354.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43056 + ... + 44095.

It is an arithmetic number, because the mean of its divisors is an integer number (3431610).

Almost surely, 2^45318520 is an apocalyptic number.

45318520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45318520 is an abundant number, since it is smaller than the sum of its proper divisors (64493000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45318520 is a wasteful number, since it uses less digits than its factorization.

45318520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87175 (or 87171 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 45318520 is about 6731.9031484418. The cubic root of 45318520 is about 356.5265741872.

Adding to 45318520 its reverse (2581354), we get a palindrome (47899874).

The spelling of 45318520 in words is "forty-five million, three hundred eighteen thousand, five hundred twenty".