8155148998 has 4 divisors (see below), whose sum is σ = 12232723500. Its totient is φ = 4077574498.

The previous prime is 8155148983. The next prime is 8155149017. The reversal of 8155148998 is 8998415518.

8155148998 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2038787248 + ... + 2038787251.

It is an arithmetic number, because the mean of its divisors is an integer number (3058180875).

Almost surely, 2^8155148998 is an apocalyptic number.

8155148998 is a deficient number, since it is larger than the sum of its proper divisors (4077574502).

8155148998 is a wasteful number, since it uses less digits than its factorization.

8155148998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4077574501.

The product of its digits is 4147200, while the sum is 58.

The square root of 8155148998 is about 90305.8635859267. The cubic root of 8155148998 is about 2012.8463916082.

The spelling of 8155148998 in words is "eight billion, one hundred fifty-five million, one hundred forty-eight thousand, nine hundred ninety-eight".