149668 has 24 divisors (see below), whose sum is σ = 290304. Its totient is φ = 67200.

The previous prime is 149629. The next prime is 149689. The reversal of 149668 is 866941.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2073 + ... + 2143.

It is an arithmetic number, because the mean of its divisors is an integer number (12096).

2¹⁴⁹⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

149668 is a deficient number, since it is larger than the sum of its proper divisors (140636).

149668 is a wasteful number, since it uses less digits than its factorization.

149668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 121 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 149668 is about 386.8694870366. The cubic root of 149668 is about 53.0936992085.

The spelling of 149668 in words is "one hundred forty-nine thousand, six hundred sixty-eight".