141440240 has 20 divisors (see below), whose sum is σ = 328848744. Its totient is φ = 56576064.

The previous prime is 141440239. The next prime is 141440261. The reversal of 141440240 is 42044141.

It is a happy number.

141440240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

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

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 3 ways as a sum of consecutive naturals, for example, 883922 + ... + 884081.

Almost surely, 2^141440240 is an apocalyptic number.

141440240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141440240 is an abundant number, since it is smaller than the sum of its proper divisors (187408504).

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

141440240 is a wasteful number, since it uses less digits than its factorization.

141440240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768016 (or 1768010 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 141440240 is about 11892.8650879424. The cubic root of 141440240 is about 521.0239193855.

Adding to 141440240 its reverse (42044141), we get a palindrome (183484381).

The spelling of 141440240 in words is "one hundred forty-one million, four hundred forty thousand, two hundred forty".