145132236 has 84 divisors (see below), whose sum is σ = 386712144. Its totient is φ = 47628000.

The previous prime is 145132219. The next prime is 145132259. The reversal of 145132236 is 632231541.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 206686 + ... + 207386.

It is an arithmetic number, because the mean of its divisors is an integer number (4603716).

Almost surely, 2^145132236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145132236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193356072).

145132236 is an abundant number, since it is smaller than the sum of its proper divisors (241579908).

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

145132236 is an equidigital number, since it uses as much as digits as its factorization.

145132236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794 (or 777 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 145132236 is about 12047.0841285350. The cubic root of 145132236 is about 525.5184429657.

Adding to 145132236 its reverse (632231541), we get a palindrome (777363777).

The spelling of 145132236 in words is "one hundred forty-five million, one hundred thirty-two thousand, two hundred thirty-six".