149000321165 has 4 divisors (see below), whose sum is σ = 178800385404. Its totient is φ = 119200256928.

The previous prime is 149000321143. The next prime is 149000321177. The reversal of 149000321165 is 561123000941.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24152578921 + 124847742244 = 155411^2 + 353338^2 .

It is a cyclic number.

It is not a de Polignac number, because 149000321165 - 2¹⁰ = 149000320141 is a prime.

It is a Duffinian 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 in 3 ways as a sum of consecutive naturals, for example, 14900032112 + ... + 14900032121.

It is an arithmetic number, because the mean of its divisors is an integer number (44700096351).

Almost surely, 2^149000321165 is an apocalyptic number.

It is an amenable number.

149000321165 is a deficient number, since it is larger than the sum of its proper divisors (29800064239).

149000321165 is an equidigital number, since it uses as much as digits as its factorization.

149000321165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29800064238.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 149000321165 in words is "one hundred forty-nine billion, three hundred twenty-one thousand, one hundred sixty-five".