145235232 has 36 divisors (see below), whose sum is σ = 413013510. Its totient is φ = 48411648.

The previous prime is 145235231. The next prime is 145235239. The reversal of 145235232 is 232532541.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 83832336 + 61402896 = 9156^2 + 7836^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×145235232² = 42186545228187648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145235196 and 145235205.

It is not an unprimeable number, because it can be changed into a prime (145235231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 251857 + ... + 252432.

Almost surely, 2^145235232 is an apocalyptic number.

145235232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145235232 is an abundant number, since it is smaller than the sum of its proper divisors (267778278).

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

145235232 is a wasteful number, since it uses less digits than its factorization.

145235232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504305 (or 504294 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 145235232 is about 12051.3580977415. The cubic root of 145235232 is about 525.6427284682.

Adding to 145235232 its reverse (232532541), we get a palindrome (377767773).

The spelling of 145235232 in words is "one hundred forty-five million, two hundred thirty-five thousand, two hundred thirty-two".