149311285 has 16 divisors (see below), whose sum is σ = 193415040. Its totient is φ = 110313280.

The previous prime is 149311271. The next prime is 149311297. The reversal of 149311285 is 582113941.

It is not a de Polignac number, because 149311285 - 2¹³ = 149303093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149311285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19051 + ... + 25720.

It is an arithmetic number, because the mean of its divisors is an integer number (12088440).

Almost surely, 2^149311285 is an apocalyptic number.

It is an amenable number.

149311285 is a deficient number, since it is larger than the sum of its proper divisors (44103755).

149311285 is a wasteful number, since it uses less digits than its factorization.

149311285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44828.

The product of its digits is 8640, while the sum is 34.

The square root of 149311285 is about 12219.2996935176. The cubic root of 149311285 is about 530.5148491785.

The spelling of 149311285 in words is "one hundred forty-nine million, three hundred eleven thousand, two hundred eighty-five".