145300232 has 32 divisors (see below), whose sum is σ = 339664320. Its totient is φ = 56610240.

The previous prime is 145300123. The next prime is 145300247. The reversal of 145300232 is 232003541.

It is a happy number.

It is a super-2 number, since 2×145300232² = 42224314838507648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117323 + ... + 118554.

It is an arithmetic number, because the mean of its divisors is an integer number (10614510).

Almost surely, 2^145300232 is an apocalyptic number.

It is an amenable number.

145300232 is an abundant number, since it is smaller than the sum of its proper divisors (194364088).

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

145300232 is a wasteful number, since it uses less digits than its factorization.

145300232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235901 (or 235897 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 145300232 is about 12054.0545875651. The cubic root of 145300232 is about 525.7211338731.

Adding to 145300232 its reverse (232003541), we get a palindrome (377303773).

The spelling of 145300232 in words is "one hundred forty-five million, three hundred thousand, two hundred thirty-two".