141431540 has 24 divisors (see below), whose sum is σ = 297230472. Its totient is φ = 56529920.

The previous prime is 141431513. The next prime is 141431557. The reversal of 141431540 is 45134141.

It can be written as a sum of positive squares in 4 ways, for example, as 2521744 + 138909796 = 1588^2 + 11786^2 .

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 7 ways as a sum of consecutive naturals, for example, 47372 + ... + 50268.

It is an arithmetic number, because the mean of its divisors is an integer number (12384603).

Almost surely, 2^141431540 is an apocalyptic number.

141431540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141431540 is an abundant number, since it is smaller than the sum of its proper divisors (155798932).

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

141431540 is a wasteful number, since it uses less digits than its factorization.

141431540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5347 (or 5345 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 141431540 is about 11892.4993167963. The cubic root of 141431540 is about 521.0132364260.

Adding to 141431540 its reverse (45134141), we get a palindrome (186565681).

The spelling of 141431540 in words is "one hundred forty-one million, four hundred thirty-one thousand, five hundred forty".