141520240 has 40 divisors (see below), whose sum is σ = 348392880. Its totient is φ = 53277696.

The previous prime is 141520237. The next prime is 141520241. The reversal of 141520240 is 42025141.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141520241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50670 + ... + 53389.

It is an arithmetic number, because the mean of its divisors is an integer number (8709822).

Almost surely, 2^141520240 is an apocalyptic number.

141520240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141520240 is an abundant number, since it is smaller than the sum of its proper divisors (206872640).

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

141520240 is a wasteful number, since it uses less digits than its factorization.

141520240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104089 (or 104083 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 141520240 is about 11896.2279736058. The cubic root of 141520240 is about 521.1221329666.

Adding to 141520240 its reverse (42025141), we get a palindrome (183545381).

The spelling of 141520240 in words is "one hundred forty-one million, five hundred twenty thousand, two hundred forty".