149110923 has 16 divisors (see below), whose sum is σ = 214855200. Its totient is φ = 91440384.

The previous prime is 149110921. The next prime is 149110939. The reversal of 149110923 is 329011941.

It is not a de Polignac number, because 149110923 - 2¹ = 149110921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149110921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4903 + ... + 17951.

It is an arithmetic number, because the mean of its divisors is an integer number (13428450).

Almost surely, 2^149110923 is an apocalyptic number.

149110923 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

149110923 is a deficient number, since it is larger than the sum of its proper divisors (65744277).

149110923 is a wasteful number, since it uses less digits than its factorization.

149110923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13358.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 149110923 is about 12211.0983535471. The cubic root of 149110923 is about 530.2774422566.

The spelling of 149110923 in words is "one hundred forty-nine million, one hundred ten thousand, nine hundred twenty-three".