141540644 has 12 divisors (see below), whose sum is σ = 283081344. Its totient is φ = 60660264.

The previous prime is 141540631. The next prime is 141540667. The reversal of 141540644 is 446045141.

141540644 is an admirable number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2527484 + ... + 2527539.

It is an arithmetic number, because the mean of its divisors is an integer number (23590112).

Almost surely, 2^141540644 is an apocalyptic number.

141540644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

141540644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

141540644 is a wasteful number, since it uses less digits than its factorization.

141540644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055034 (or 5055032 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 141540644 is about 11897.0855254554. The cubic root of 141540644 is about 521.1471764163.

Adding to 141540644 its reverse (446045141), we get a palindrome (587585785).

The spelling of 141540644 in words is "one hundred forty-one million, five hundred forty thousand, six hundred forty-four".