149980 has 12 divisors (see below), whose sum is σ = 315000. Its totient is φ = 59984.

The previous prime is 149971. The next prime is 149993. The reversal of 149980 is 89941.

149980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3730 + ... + 3769.

It is an arithmetic number, because the mean of its divisors is an integer number (26250).

2¹⁴⁹⁹⁸⁰ is an apocalyptic number.

149980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149980 is an abundant number, since it is smaller than the sum of its proper divisors (165020).

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

149980 is a wasteful number, since it uses less digits than its factorization.

149980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7508 (or 7506 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 149980 is about 387.2725138710. The cubic root of 149980 is about 53.1305668907.

The spelling of 149980 in words is "one hundred forty-nine thousand, nine hundred eighty".