101143380 has 48 divisors (see below), whose sum is σ = 304988544. Its totient is φ = 24896640.

The previous prime is 101143379. The next prime is 101143381. The reversal of 101143380 is 83341101.

It is an interprime number because it is at equal distance from previous prime (101143379) and next prime (101143381).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101143381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64056 + ... + 65615.

It is an arithmetic number, because the mean of its divisors is an integer number (6353928).

Almost surely, 2^101143380 is an apocalyptic number.

101143380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101143380 is an abundant number, since it is smaller than the sum of its proper divisors (203845164).

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

101143380 is a wasteful number, since it uses less digits than its factorization.

101143380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129696 (or 129694 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 101143380 is about 10057.0065128745. The cubic root of 101143380 is about 465.9212168877.

Adding to 101143380 its reverse (83341101), we get a palindrome (184484481).

The spelling of 101143380 in words is "one hundred one million, one hundred forty-three thousand, three hundred eighty".