101140230 has 64 divisors (see below), whose sum is σ = 257126400. Its totient is φ = 25390080.

The previous prime is 101140187. The next prime is 101140241. The reversal of 101140230 is 32041101.

It is a happy number.

101140230 is nontrivially palindromic in base 16.

It is a super-2 number, since 2×101140230² = 20458692248905800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108406 + ... + 109334.

It is an arithmetic number, because the mean of its divisors is an integer number (4017600).

Almost surely, 2^101140230 is an apocalyptic number.

101140230 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 101140230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128563200).

101140230 is an abundant number, since it is smaller than the sum of its proper divisors (155986170).

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

101140230 is a wasteful number, since it uses less digits than its factorization.

101140230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 101140230 is about 10056.8499044184. The cubic root of 101140230 is about 465.9163799685.

Adding to 101140230 its reverse (32041101), we get a palindrome (133181331).

The spelling of 101140230 in words is "one hundred one million, one hundred forty thousand, two hundred thirty".