8155149001 has 4 divisors (see below), whose sum is σ = 8155735504. Its totient is φ = 8154562500.

The previous prime is 8155148983. The next prime is 8155149017. The reversal of 8155149001 is 1009415518.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8155149001 - 2¹³ = 8155140809 is a prime.

It is a super-2 number, since 2×8155149001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8155149601) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 271875 + ... + 300376.

It is an arithmetic number, because the mean of its divisors is an integer number (2038933876).

Almost surely, 2^8155149001 is an apocalyptic number.

It is an amenable number.

8155149001 is a deficient number, since it is larger than the sum of its proper divisors (586503).

8155149001 is a wasteful number, since it uses less digits than its factorization.

8155149001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586502.

The product of its (nonzero) digits is 7200, while the sum is 34.

The square root of 8155149001 is about 90305.8636025369. The cubic root of 8155149001 is about 2012.8463918550.

The spelling of 8155149001 in words is "eight billion, one hundred fifty-five million, one hundred forty-nine thousand, one".