149888 has 16 divisors (see below), whose sum is σ = 298860. Its totient is φ = 74880.

The previous prime is 149873. The next prime is 149893. The reversal of 149888 is 888941.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 149888.

It is an unprimeable number.

149888 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458 + ... + 713.

2¹⁴⁹⁸⁸⁸ is an apocalyptic number.

It is an amenable number.

149888 is a deficient number, since it is larger than the sum of its proper divisors (148972).

149888 is an equidigital number, since it uses as much as digits as its factorization.

149888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185 (or 1173 counting only the distinct ones).

The product of its digits is 18432, while the sum is 38.

The square root of 149888 is about 387.1537162420. The cubic root of 149888 is about 53.1197009709.

The spelling of 149888 in words is "one hundred forty-nine thousand, eight hundred eighty-eight".