140541445 has 24 divisors (see below), whose sum is σ = 190179360. Its totient is φ = 98877600.

The previous prime is 140541433. The next prime is 140541451. The reversal of 140541445 is 544145041.

It is not a de Polignac number, because 140541445 - 2¹¹ = 140539397 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 51526 + ... + 54184.

It is an arithmetic number, because the mean of its divisors is an integer number (7924140).

Almost surely, 2^140541445 is an apocalyptic number.

It is an amenable number.

140541445 is a deficient number, since it is larger than the sum of its proper divisors (49637915).

140541445 is a wasteful number, since it uses less digits than its factorization.

140541445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2737 (or 2706 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 140541445 is about 11855.0177140315. The cubic root of 140541445 is about 519.9179419332.

Adding to 140541445 its reverse (544145041), we get a palindrome (684686486).

The spelling of 140541445 in words is "one hundred forty million, five hundred forty-one thousand, four hundred forty-five".