140103445 has 8 divisors (see below), whose sum is σ = 168978744. Its totient is φ = 111513024.

The previous prime is 140103361. The next prime is 140103451. The reversal of 140103445 is 544301041.

140103445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 70997476 + 69105969 = 8426^2 + 8313^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 140103445 - 2¹⁵ = 140070677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70134 + ... + 72103.

It is an arithmetic number, because the mean of its divisors is an integer number (21122343).

Almost surely, 2^140103445 is an apocalyptic number.

It is an amenable number.

140103445 is a deficient number, since it is larger than the sum of its proper divisors (28875299).

140103445 is a wasteful number, since it uses less digits than its factorization.

140103445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142439.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 140103445 is about 11836.5301081018. The cubic root of 140103445 is about 519.3772685925.

Adding to 140103445 its reverse (544301041), we get a palindrome (684404486).

The spelling of 140103445 in words is "one hundred forty million, one hundred three thousand, four hundred forty-five".