140341445 has 8 divisors (see below), whose sum is σ = 168489720. Its totient is φ = 112219840.

The previous prime is 140341441. The next prime is 140341447. The reversal of 140341445 is 544143041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 71351809 + 68989636 = 8447^2 + 8306^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140341445 - 2² = 140341441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140341441) by changing a digit.

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, 7751 + ... + 18459.

It is an arithmetic number, because the mean of its divisors is an integer number (21061215).

Almost surely, 2^140341445 is an apocalyptic number.

It is an amenable number.

140341445 is a deficient number, since it is larger than the sum of its proper divisors (28148275).

140341445 is a wasteful number, since it uses less digits than its factorization.

140341445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13335.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 140341445 is about 11846.5794641323. The cubic root of 140341445 is about 519.6711986976.

Adding to 140341445 its reverse (544143041), we get a palindrome (684484486).

The spelling of 140341445 in words is "one hundred forty million, three hundred forty-one thousand, four hundred forty-five".