5145233418 has 96 divisors (see below), whose sum is σ = 12723132240. Its totient is φ = 1491194880.

The previous prime is 5145233417. The next prime is 5145233437. The reversal of 5145233418 is 8143325415.

5145233418 is a `hidden beast` number, since 5 + 1 + 4 + 5 + 233 + 418 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 372219849 + 4773013569 = 19293^2 + 69087^2 .

It is a super-3 number, since 3×5145233418³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (5145233417) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 268980 + ... + 287472.

Almost surely, 2^5145233418 is an apocalyptic number.

5145233418 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5145233418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6361566120).

5145233418 is an abundant number, since it is smaller than the sum of its proper divisors (7577898822).

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

5145233418 is a wasteful number, since it uses less digits than its factorization.

5145233418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18584 (or 18581 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 5145233418 is about 71730.2824335719. The cubic root of 5145233418 is about 1726.3745585885.

The spelling of 5145233418 in words is "five billion, one hundred forty-five million, two hundred thirty-three thousand, four hundred eighteen".