145884 has 12 divisors (see below), whose sum is σ = 340424. Its totient is φ = 48624.

The previous prime is 145879. The next prime is 145897. The reversal of 145884 is 488541.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 145884.

It is an unprimeable number.

145884 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6067 + ... + 6090.

2¹⁴⁵⁸⁸⁴ is an apocalyptic number.

It is an amenable number.

145884 is an abundant number, since it is smaller than the sum of its proper divisors (194540).

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

145884 is a wasteful number, since it uses less digits than its factorization.

145884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12164 (or 12162 counting only the distinct ones).

The product of its digits is 5120, while the sum is 30.

The square root of 145884 is about 381.9476403907. The cubic root of 145884 is about 52.6424250630.

The spelling of 145884 in words is "one hundred forty-five thousand, eight hundred eighty-four".