149105 has 8 divisors (see below), whose sum is σ = 195264. Its totient is φ = 108400.

The previous prime is 149101. The next prime is 149111. The reversal of 149105 is 501941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 149105 - 2² = 149101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (149101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1301 + ... + 1410.

It is an arithmetic number, because the mean of its divisors is an integer number (24408).

2¹⁴⁹¹⁰⁵ is an apocalyptic number.

It is an amenable number.

149105 is a deficient number, since it is larger than the sum of its proper divisors (46159).

149105 is a wasteful number, since it uses less digits than its factorization.

149105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 149105 is about 386.1411658966. The cubic root of 149105 is about 53.0270420918.

Subtracting 149105 from its reverse (501941), we obtain a square (352836 = 594²).

It can be divided in two parts, 14 and 9105, that added together give a palindrome (9119).

The spelling of 149105 in words is "one hundred forty-nine thousand, one hundred five".