149618 has 8 divisors (see below), whose sum is σ = 256512. Its totient is φ = 64116.

The previous prime is 149603. The next prime is 149623. The reversal of 149618 is 816941.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5330 + ... + 5357.

It is an arithmetic number, because the mean of its divisors is an integer number (32064).

2¹⁴⁹⁶¹⁸ is an apocalyptic number.

149618 is a deficient number, since it is larger than the sum of its proper divisors (106894).

149618 is a wasteful number, since it uses less digits than its factorization.

149618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10696.

The product of its digits is 1728, while the sum is 29.

The square root of 149618 is about 386.8048603624. The cubic root of 149618 is about 53.0877861640.

It can be divided in two parts, 149 and 618, that added together give a palindrome (767).

The spelling of 149618 in words is "one hundred forty-nine thousand, six hundred eighteen".