141530240 has 128 divisors (see below), whose sum is σ = 362793600. Its totient is φ = 52641792.

The previous prime is 141530231. The next prime is 141530251. The reversal of 141530240 is 42035141.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (20).

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 15 ways as a sum of consecutive naturals, for example, 1252424 + ... + 1252536.

It is an arithmetic number, because the mean of its divisors is an integer number (2834325).

Almost surely, 2^141530240 is an apocalyptic number.

141530240 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 141530240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181396800).

141530240 is an abundant number, since it is smaller than the sum of its proper divisors (221263360).

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

141530240 is a wasteful number, since it uses less digits than its factorization.

141530240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 141530240 is about 11896.6482674743. The cubic root of 141530240 is about 521.1344070615.

Adding to 141530240 its reverse (42035141), we get a palindrome (183565381).

The spelling of 141530240 in words is "one hundred forty-one million, five hundred thirty thousand, two hundred forty".