5145345744 has 160 divisors (see below), whose sum is σ = 16910822400. Its totient is φ = 1336406400.

The previous prime is 5145345743. The next prime is 5145345767. The reversal of 5145345744 is 4475435415.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 5145345696 and 5145345705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145345743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166899 + ... + 195309.

It is an arithmetic number, because the mean of its divisors is an integer number (105692640).

Almost surely, 2^5145345744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5145345744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8455411200).

5145345744 is an abundant number, since it is smaller than the sum of its proper divisors (11765476656).

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

5145345744 is a wasteful number, since it uses less digits than its factorization.

5145345744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28454 (or 28434 counting only the distinct ones).

The product of its digits is 672000, while the sum is 42.

The square root of 5145345744 is about 71731.0654040493. The cubic root of 5145345744 is about 1726.3871213705.

The spelling of 5145345744 in words is "five billion, one hundred forty-five million, three hundred forty-five thousand, seven hundred forty-four".