5145143620 has 24 divisors (see below), whose sum is σ = 10823551704. Its totient is φ = 2054486016.

The previous prime is 5145143617. The next prime is 5145143621. The reversal of 5145143620 is 263415415.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2472873984 + 2672269636 = 49728^2 + 51694^2 .

It is not an unprimeable number, because it can be changed into a prime (5145143621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211387 + ... + 234466.

It is an arithmetic number, because the mean of its divisors is an integer number (450981321).

Almost surely, 2^5145143620 is an apocalyptic number.

It is an amenable number.

5145143620 is an abundant number, since it is smaller than the sum of its proper divisors (5678408084).

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

5145143620 is a wasteful number, since it uses less digits than its factorization.

5145143620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446439 (or 446437 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 5145143620 is about 71729.6564887913. The cubic root of 5145143620 is about 1726.3645152550.

The spelling of 5145143620 in words is "five billion, one hundred forty-five million, one hundred forty-three thousand, six hundred twenty".