149395844 has 12 divisors (see below), whose sum is σ = 281553804. Its totient is φ = 68951904.

The previous prime is 149395843. The next prime is 149395859. The reversal of 149395844 is 448593941.

It can be written as a sum of positive squares in 2 ways, for example, as 39942400 + 109453444 = 6320^2 + 10462^2 .

It is not an unprimeable number, because it can be changed into a prime (149395843) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1436447 + ... + 1436550.

It is an arithmetic number, because the mean of its divisors is an integer number (23462817).

Almost surely, 2^149395844 is an apocalyptic number.

It is an amenable number.

149395844 is a deficient number, since it is larger than the sum of its proper divisors (132157960).

149395844 is a wasteful number, since it uses less digits than its factorization.

149395844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873014 (or 2873012 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The square root of 149395844 is about 12222.7592629488. The cubic root of 149395844 is about 530.6149785589.

The spelling of 149395844 in words is "one hundred forty-nine million, three hundred ninety-five thousand, eight hundred forty-four".