5145343420 has 96 divisors (see below), whose sum is σ = 13497200640. Its totient is φ = 1606763520.

The previous prime is 5145343417. The next prime is 5145343439. The reversal of 5145343420 is 243435415.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38911 + ... + 108649.

It is an arithmetic number, because the mean of its divisors is an integer number (140595840).

Almost surely, 2^5145343420 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 5145343420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6748600320).

5145343420 is an abundant number, since it is smaller than the sum of its proper divisors (8351857220).

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

5145343420 is a wasteful number, since it uses less digits than its factorization.

5145343420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69803 (or 69801 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 5145343420 is about 71731.0492046506. The cubic root of 5145343420 is about 1726.3868614512.

Adding to 5145343420 its reverse (243435415), we get a palindrome (5388778835).

The spelling of 5145343420 in words is "five billion, one hundred forty-five million, three hundred forty-three thousand, four hundred twenty".