145284 has 12 divisors (see below), whose sum is σ = 339024. Its totient is φ = 48424.

The previous prime is 145283. The next prime is 145289. The reversal of 145284 is 482541.

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

It is a super-2 number, since 2×145284² = 42214881312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145283) 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, 6042 + ... + 6065.

It is an arithmetic number, because the mean of its divisors is an integer number (28252).

2¹⁴⁵²⁸⁴ is an apocalyptic number.

It is an amenable number.

145284 is an abundant number, since it is smaller than the sum of its proper divisors (193740).

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

145284 is a wasteful number, since it uses less digits than its factorization.

145284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12114 (or 12112 counting only the distinct ones).

The product of its digits is 1280, while the sum is 24.

The square root of 145284 is about 381.1613831437. The cubic root of 145284 is about 52.5701556425.

The spelling of 145284 in words is "one hundred forty-five thousand, two hundred eighty-four".