5145898194 has 32 divisors (see below), whose sum is σ = 11445647040. Its totient is φ = 1713751776.

The previous prime is 5145898183. The next prime is 5145898211. The reversal of 5145898194 is 4918985415.

5145898194 is a `hidden beast` number, since 51 + 4 + 589 + 8 + 1 + 9 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 5145898194.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18214 + ... + 103070.

It is an arithmetic number, because the mean of its divisors is an integer number (357676470).

Almost surely, 2^5145898194 is an apocalyptic number.

5145898194 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

5145898194 is an abundant number, since it is smaller than the sum of its proper divisors (6299748846).

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

5145898194 is a wasteful number, since it uses less digits than its factorization.

5145898194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85991 (or 85985 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 54.

The square root of 5145898194 is about 71734.9161426986. The cubic root of 5145898194 is about 1726.4489059087.

The spelling of 5145898194 in words is "five billion, one hundred forty-five million, eight hundred ninety-eight thousand, one hundred ninety-four".