145432 has 32 divisors (see below), whose sum is σ = 324000. Its totient is φ = 61152.

The previous prime is 145423. The next prime is 145433. The reversal of 145432 is 234541.

It is an alternating number because its digits alternate between odd and even.

Its product of digits (480) is a multiple of the sum of its prime factors (80).

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2718 + ... + 2770.

It is an arithmetic number, because the mean of its divisors is an integer number (10125).

2¹⁴⁵⁴³² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162000).

145432 is an abundant number, since it is smaller than the sum of its proper divisors (178568).

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

145432 is an equidigital number, since it uses as much as digits as its factorization.

145432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 62 counting only the distinct ones).

The product of its digits is 480, while the sum is 19.

The square root of 145432 is about 381.3554772125. The cubic root of 145432 is about 52.5880005591.

Adding to 145432 its reverse (234541), we get a palindrome (379973).

The spelling of 145432 in words is "one hundred forty-five thousand, four hundred thirty-two".