145012321230 has 128 divisors (see below), whose sum is σ = 413844940800. Its totient is φ = 31817501184.

The previous prime is 145012321229. The next prime is 145012321241. The reversal of 145012321230 is 32123210541.

145012321230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 145012321230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 984751 + ... + 1122389.

It is an arithmetic number, because the mean of its divisors is an integer number (3233163600).

Almost surely, 2^145012321230 is an apocalyptic number.

145012321230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 145012321230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206922470400).

145012321230 is an abundant number, since it is smaller than the sum of its proper divisors (268832619570).

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

145012321230 is a wasteful number, since it uses less digits than its factorization.

145012321230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137858.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 145012321230 its reverse (32123210541), we get a palindrome (177135531771).

The spelling of 145012321230 in words is "one hundred forty-five billion, twelve million, three hundred twenty-one thousand, two hundred thirty".