103543140 has 96 divisors (see below), whose sum is σ = 301593600. Its totient is φ = 26522496.

The previous prime is 103543123. The next prime is 103543147. The reversal of 103543140 is 41345301.

It is a super-3 number, since 3×103543140³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (103543147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172561 + ... + 173159.

It is an arithmetic number, because the mean of its divisors is an integer number (3141600).

Almost surely, 2^103543140 is an apocalyptic number.

103543140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103543140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150796800).

103543140 is an abundant number, since it is smaller than the sum of its proper divisors (198050460).

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

103543140 is a wasteful number, since it uses less digits than its factorization.

103543140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 719 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 103543140 is about 10175.6149691309. The cubic root of 103543140 is about 469.5773172838.

Adding to 103543140 its reverse (41345301), we get a palindrome (144888441).

The spelling of 103543140 in words is "one hundred three million, five hundred forty-three thousand, one hundred forty".