141303440 has 40 divisors (see below), whose sum is σ = 329141880. Its totient is φ = 56416256.

The previous prime is 141303427. The next prime is 141303493. The reversal of 141303440 is 44303141.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 53993104 + 87310336 = 7348^2 + 9344^2 .

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

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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52856 + ... + 55464.

It is an arithmetic number, because the mean of its divisors is an integer number (8228547).

Almost surely, 2^141303440 is an apocalyptic number.

141303440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141303440 is an abundant number, since it is smaller than the sum of its proper divisors (187838440).

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

141303440 is a wasteful number, since it uses less digits than its factorization.

141303440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3299 (or 3293 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 141303440 is about 11887.1123490947. The cubic root of 141303440 is about 520.8558883175.

Adding to 141303440 its reverse (44303141), we get a palindrome (185606581).

The spelling of 141303440 in words is "one hundred forty-one million, three hundred three thousand, four hundred forty".