8193145254 has 36 divisors (see below), whose sum is σ = 19065214764. Its totient is φ = 2340455208.

The previous prime is 8193145253. The next prime is 8193145267. The reversal of 8193145254 is 4525413918.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8193145253) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1549387 + ... + 1554665.

It is an arithmetic number, because the mean of its divisors is an integer number (529589299).

Almost surely, 2^8193145254 is an apocalyptic number.

8193145254 is an abundant number, since it is smaller than the sum of its proper divisors (10872069510).

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

8193145254 is an frugal number, since it uses more digits than its factorization.

8193145254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10577 (or 5291 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The square root of 8193145254 is about 90515.9944650668. The cubic root of 8193145254 is about 2015.9676161851.

The spelling of 8193145254 in words is "eight billion, one hundred ninety-three million, one hundred forty-five thousand, two hundred fifty-four".