5145240816 has 30 divisors (see below), whose sum is σ = 14399528520. Its totient is φ = 1715080224.

The previous prime is 5145240781. The next prime is 5145240817. The reversal of 5145240816 is 6180425415.

It is a happy number.

5145240816 is a `hidden beast` number, since 51 + 4 + 524 + 0 + 81 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145240817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17865276 + ... + 17865563.

It is an arithmetic number, because the mean of its divisors is an integer number (479984284).

Almost surely, 2^5145240816 is an apocalyptic number.

It is an amenable number.

5145240816 is an abundant number, since it is smaller than the sum of its proper divisors (9254287704).

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

5145240816 is a wasteful number, since it uses less digits than its factorization.

5145240816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35730853 (or 35730844 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 5145240816 is about 71730.3340017318. The cubic root of 5145240816 is about 1726.3753860024.

The spelling of 5145240816 in words is "five billion, one hundred forty-five million, two hundred forty thousand, eight hundred sixteen".