149110145 has 8 divisors (see below), whose sum is σ = 189457704. Its totient is φ = 112271104.

The previous prime is 149110139. The next prime is 149110163. The reversal of 149110145 is 541011941.

It can be written as a sum of positive squares in 4 ways, for example, as 6355441 + 142754704 = 2521^2 + 11948^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 149110145 - 2¹² = 149106049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 877034 + ... + 877203.

It is an arithmetic number, because the mean of its divisors is an integer number (23682213).

Almost surely, 2^149110145 is an apocalyptic number.

It is an amenable number.

149110145 is a deficient number, since it is larger than the sum of its proper divisors (40347559).

149110145 is a wasteful number, since it uses less digits than its factorization.

149110145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754259.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 149110145 is about 12211.0664972393. The cubic root of 149110145 is about 530.2765199979.

The spelling of 149110145 in words is "one hundred forty-nine million, one hundred ten thousand, one hundred forty-five".