144020135250 has 96 divisors (see below), whose sum is σ = 389533697280. Its totient is φ = 38395188000.

The previous prime is 144020135249. The next prime is 144020135309. The reversal of 144020135250 is 52531020441.

144020135250 is a `hidden beast` number, since 1 + 4 + 402 + 0 + 1 + 3 + 5 + 250 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12727095 + ... + 12738405.

It is an arithmetic number, because the mean of its divisors is an integer number (4057642680).

Almost surely, 2^144020135250 is an apocalyptic number.

144020135250 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 144020135250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194766848640).

144020135250 is an abundant number, since it is smaller than the sum of its proper divisors (245513562030).

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

144020135250 is a wasteful number, since it uses less digits than its factorization.

144020135250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16993 (or 16980 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 144020135250 its reverse (52531020441), we get a palindrome (196551155691).

The spelling of 144020135250 in words is "one hundred forty-four billion, twenty million, one hundred thirty-five thousand, two hundred fifty".