5145453819 has 12 divisors (see below), whose sum is σ = 8107987992. Its totient is φ = 3118456800.

The previous prime is 5145453751. The next prime is 5145453829. The reversal of 5145453819 is 9183545415.

It is a happy number.

5145453819 is a `hidden beast` number, since 51 + 4 + 54 + 538 + 19 = 666.

It is not a de Polignac number, because 5145453819 - 2¹² = 5145449723 is a prime.

It is a super-2 number, since 2×5145453819² = 52951390006923369522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (5145453829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25987042 + ... + 25987239.

It is an arithmetic number, because the mean of its divisors is an integer number (675665666).

Almost surely, 2^5145453819 is an apocalyptic number.

5145453819 is a deficient number, since it is larger than the sum of its proper divisors (2962534173).

5145453819 is a wasteful number, since it uses less digits than its factorization.

5145453819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51974298 (or 51974295 counting only the distinct ones).

The product of its digits is 432000, while the sum is 45.

The square root of 5145453819 is about 71731.8187347846. The cubic root of 5145453819 is about 1726.3992085389.

The spelling of 5145453819 in words is "five billion, one hundred forty-five million, four hundred fifty-three thousand, eight hundred nineteen".