140559345 has 12 divisors (see below), whose sum is σ = 243636276. Its totient is φ = 74964960.

The previous prime is 140559343. The next prime is 140559443. The reversal of 140559345 is 543955041.

It can be written as a sum of positive squares in 2 ways, for example, as 55845729 + 84713616 = 7473^2 + 9204^2 .

It is not a de Polignac number, because 140559345 - 2¹ = 140559343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140559343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1561726 + ... + 1561815.

It is an arithmetic number, because the mean of its divisors is an integer number (20303023).

Almost surely, 2^140559345 is an apocalyptic number.

140559345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140559345 is a deficient number, since it is larger than the sum of its proper divisors (103076931).

140559345 is a wasteful number, since it uses less digits than its factorization.

140559345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123552 (or 3123549 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 140559345 is about 11855.7726445812. The cubic root of 140559345 is about 519.9400140370.

The spelling of 140559345 in words is "one hundred forty million, five hundred fifty-nine thousand, three hundred forty-five".