141223440 has 80 divisors (see below), whose sum is σ = 440346816. Its totient is φ = 37440000.

The previous prime is 141223361. The next prime is 141223463. The reversal of 141223440 is 44322141.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 41815 + ... + 45065.

Almost surely, 2^141223440 is an apocalyptic number.

141223440 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 141223440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220173408).

141223440 is an abundant number, since it is smaller than the sum of its proper divisors (299123376).

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

141223440 is a wasteful number, since it uses less digits than its factorization.

141223440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3448 (or 3442 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 141223440 is about 11883.7468838746. The cubic root of 141223440 is about 520.7575742750.

Adding to 141223440 its reverse (44322141), we get a palindrome (185545581).

The spelling of 141223440 in words is "one hundred forty-one million, two hundred twenty-three thousand, four hundred forty".