145556232 has 64 divisors (see below), whose sum is σ = 379935360. Its totient is φ = 46425600.

The previous prime is 145556221. The next prime is 145556287. The reversal of 145556232 is 232655541.

It is a junction number, because it is equal to n+sod(n) for n = 145556193 and 145556202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50757 + ... + 53547.

It is an arithmetic number, because the mean of its divisors is an integer number (5936490).

Almost surely, 2^145556232 is an apocalyptic number.

145556232 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 145556232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189967680).

145556232 is an abundant number, since it is smaller than the sum of its proper divisors (234379128).

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

145556232 is a wasteful number, since it uses less digits than its factorization.

145556232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2894 (or 2890 counting only the distinct ones).

The product of its digits is 36000, while the sum is 33.

The square root of 145556232 is about 12064.6687480428. The cubic root of 145556232 is about 526.0297033446.

The spelling of 145556232 in words is "one hundred forty-five million, five hundred fifty-six thousand, two hundred thirty-two".