8155149000 has 64 divisors (see below), whose sum is σ = 25444074240. Its totient is φ = 2174705600.

The previous prime is 8155148983. The next prime is 8155149017. The reversal of 8155149000 is 9415518.

It is an interprime number because it is at equal distance from previous prime (8155148983) and next prime (8155149017).

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, 1356192 + ... + 1362191.

It is an arithmetic number, because the mean of its divisors is an integer number (397563660).

Almost surely, 2^8155149000 is an apocalyptic number.

It is an amenable number.

8155149000 is an abundant number, since it is smaller than the sum of its proper divisors (17288925240).

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

8155149000 is a wasteful number, since it uses less digits than its factorization.

8155149000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718407 (or 2718393 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 8155149000 is about 90305.8635970002. The cubic root of 8155149000 is about 2012.8463917728.

The spelling of 8155149000 in words is "eight billion, one hundred fifty-five million, one hundred forty-nine thousand".