141243444 has 18 divisors (see below), whose sum is σ = 357032130. Its totient is φ = 47081136.

The previous prime is 141243407. The next prime is 141243451. The reversal of 141243444 is 444342141.

It can be written as a sum of positive squares in only one way, i.e., 107371044 + 33872400 = 10362^2 + 5820^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×141243444² = 39899420945962272, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1961679 + ... + 1961750.

Almost surely, 2^141243444 is an apocalyptic number.

It is an amenable number.

141243444 is an abundant number, since it is smaller than the sum of its proper divisors (215788686).

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

141243444 is a wasteful number, since it uses less digits than its factorization.

141243444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3923439 (or 3923434 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 141243444 is about 11884.5885078113. The cubic root of 141243444 is about 520.7821611819.

Adding to 141243444 its reverse (444342141), we get a palindrome (585585585).

The spelling of 141243444 in words is "one hundred forty-one million, two hundred forty-three thousand, four hundred forty-four".