141442440 has 64 divisors (see below), whose sum is σ = 427714560. Its totient is φ = 37416960.

The previous prime is 141442423. The next prime is 141442451. The reversal of 141442440 is 44244141.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 141442440.

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, 10600 + ... + 19880.

It is an arithmetic number, because the mean of its divisors is an integer number (6683040).

Almost surely, 2^141442440 is an apocalyptic number.

141442440 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 141442440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213857280).

141442440 is an abundant number, since it is smaller than the sum of its proper divisors (286272120).

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

141442440 is a wasteful number, since it uses less digits than its factorization.

141442440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9422 (or 9418 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 141442440 is about 11892.9575800135. The cubic root of 141442440 is about 521.0266207541.

Adding to 141442440 its reverse (44244141), we get a palindrome (185686581).

The spelling of 141442440 in words is "one hundred forty-one million, four hundred forty-two thousand, four hundred forty".