145980 has 36 divisors (see below), whose sum is σ = 443352. Its totient is φ = 38880.

The previous prime is 145969. The next prime is 145987. The reversal of 145980 is 89541.

145980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 226 + ... + 585.

2¹⁴⁵⁹⁸⁰ is an apocalyptic number.

145980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145980 is an abundant number, since it is smaller than the sum of its proper divisors (297372).

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

145980 is a wasteful number, since it uses less digits than its factorization.

145980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826 (or 821 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 145980 is about 382.0732913984. The cubic root of 145980 is about 52.6539697713.

The spelling of 145980 in words is "one hundred forty-five thousand, nine hundred eighty".