141215540 has 48 divisors (see below), whose sum is σ = 307722240. Its totient is φ = 54378240.

The previous prime is 141215537. The next prime is 141215551. The reversal of 141215540 is 45512141.

It is a plaindrome in base 13.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 147704 + ... + 148656.

It is an arithmetic number, because the mean of its divisors is an integer number (6410880).

Almost surely, 2^141215540 is an apocalyptic number.

141215540 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 141215540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153861120).

141215540 is an abundant number, since it is smaller than the sum of its proper divisors (166506700).

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

141215540 is a wasteful number, since it uses less digits than its factorization.

141215540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232 (or 1230 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 141215540 is about 11883.4144924765. The cubic root of 141215540 is about 520.7478637493.

Adding to 141215540 its reverse (45512141), we get a palindrome (186727681).

The spelling of 141215540 in words is "one hundred forty-one million, two hundred fifteen thousand, five hundred forty".