145535532 has 24 divisors (see below), whose sum is σ = 339795456. Its totient is φ = 48481488.

The previous prime is 145535531. The next prime is 145535561. The reversal of 145535532 is 235535541.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 145535493 and 145535502.

It is not an unprimeable number, because it can be changed into a prime (145535531) 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, 24793 + ... + 30095.

It is an arithmetic number, because the mean of its divisors is an integer number (14158144).

Almost surely, 2^145535532 is an apocalyptic number.

145535532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145535532 is an abundant number, since it is smaller than the sum of its proper divisors (194259924).

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

145535532 is a wasteful number, since it uses less digits than its factorization.

145535532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7597 (or 7595 counting only the distinct ones).

The product of its digits is 45000, while the sum is 33.

The square root of 145535532 is about 12063.8108406921. The cubic root of 145535532 is about 526.0047660611.

Subtracting 145535532 from its reverse (235535541), we obtain a palindrome (90000009).

The spelling of 145535532 in words is "one hundred forty-five million, five hundred thirty-five thousand, five hundred thirty-two".