145040532 has 144 divisors (see below), whose sum is σ = 444189312. Its totient is φ = 35942400.

The previous prime is 145040531. The next prime is 145040557. The reversal of 145040532 is 235040541.

145040532 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145040531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 241032 + ... + 241632.

It is an arithmetic number, because the mean of its divisors is an integer number (3084648).

Almost surely, 2^145040532 is an apocalyptic number.

145040532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145040532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222094656).

145040532 is an abundant number, since it is smaller than the sum of its proper divisors (299148780).

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

145040532 is a wasteful number, since it uses less digits than its factorization.

145040532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 145040532 is about 12043.2774608908. The cubic root of 145040532 is about 525.4077340506.

Subtracting 145040532 from its reverse (235040541), we obtain a palindrome (90000009).

The spelling of 145040532 in words is "one hundred forty-five million, forty thousand, five hundred thirty-two".