149680 has 20 divisors (see below), whose sum is σ = 348192. Its totient is φ = 59840.

The previous prime is 149629. The next prime is 149689. The reversal of 149680 is 86941.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (149689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856 + ... + 1015.

2¹⁴⁹⁶⁸⁰ is an apocalyptic number.

149680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149680 is an abundant number, since it is smaller than the sum of its proper divisors (198512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149680 is a wasteful number, since it uses less digits than its factorization.

149680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884 (or 1878 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 149680 is about 386.8849958321. The cubic root of 149680 is about 53.0951181432.

The spelling of 149680 in words is "one hundred forty-nine thousand, six hundred eighty".