100144530 has 96 divisors (see below), whose sum is σ = 274959360. Its totient is φ = 25238400.

The previous prime is 100144529. The next prime is 100144543. The reversal of 100144530 is 35441001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 208831 + ... + 209309.

It is an arithmetic number, because the mean of its divisors is an integer number (2864160).

Almost surely, 2^100144530 is an apocalyptic number.

100144530 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 100144530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137479680).

100144530 is an abundant number, since it is smaller than the sum of its proper divisors (174814830).

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

100144530 is a wasteful number, since it uses less digits than its factorization.

100144530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 100144530 is about 10007.2238907701. The cubic root of 100144530 is about 464.3823919949.

Adding to 100144530 its reverse (35441001), we get a palindrome (135585531).

The spelling of 100144530 in words is "one hundred million, one hundred forty-four thousand, five hundred thirty".