145380 has 24 divisors (see below), whose sum is σ = 407232. Its totient is φ = 38752.

The previous prime is 145361. The next prime is 145381. The reversal of 145380 is 83541.

It is a super-2 number, since 2×145380² = 42270688800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (145381) by changing a digit.

145380 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 7 ways as a sum of consecutive naturals, for example, 1152 + ... + 1271.

It is an arithmetic number, because the mean of its divisors is an integer number (16968).

2¹⁴⁵³⁸⁰ is an apocalyptic number.

145380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145380 is an abundant number, since it is smaller than the sum of its proper divisors (261852).

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

145380 is a wasteful number, since it uses less digits than its factorization.

145380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2435 (or 2433 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 145380 is about 381.2872932580. The cubic root of 145380 is about 52.5817321037.

It can be divided in two parts, 145 and 380, that added together give a palindrome (525).

The spelling of 145380 in words is "one hundred forty-five thousand, three hundred eighty".