145534432 has 48 divisors (see below), whose sum is σ = 302883840. Its totient is φ = 68694912.

The previous prime is 145534427. The next prime is 145534439. The reversal of 145534432 is 234435541.

It is a junction number, because it is equal to n+sod(n) for n = 145534394 and 145534403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145534439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56893 + ... + 59395.

It is an arithmetic number, because the mean of its divisors is an integer number (6310080).

Almost surely, 2^145534432 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 145534432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151441920).

145534432 is an abundant number, since it is smaller than the sum of its proper divisors (157349408).

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

145534432 is a wasteful number, since it uses less digits than its factorization.

145534432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615 (or 2607 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 145534432 is about 12063.7652497054. The cubic root of 145534432 is about 526.0034408253.

Adding to 145534432 its reverse (234435541), we get a palindrome (379969973).

The spelling of 145534432 in words is "one hundred forty-five million, five hundred thirty-four thousand, four hundred thirty-two".