340202545 has 12 divisors (see below), whose sum is σ = 426767796. Its totient is φ = 260326880.

The previous prime is 340202537. The next prime is 340202549. The reversal of 340202545 is 545202043.

It can be written as a sum of positive squares in 2 ways, for example, as 72029169 + 268173376 = 8487^2 + 16376^2 .

It is not a de Polignac number, because 340202545 - 2³ = 340202537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340202549) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 61666 + ... + 66955.

It is an arithmetic number, because the mean of its divisors is an integer number (35563983).

Almost surely, 2^340202545 is an apocalyptic number.

It is an amenable number.

340202545 is a deficient number, since it is larger than the sum of its proper divisors (86565251).

340202545 is a wasteful number, since it uses less digits than its factorization.

340202545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128672 (or 128649 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 340202545 is about 18444.5803693117. The cubic root of 340202545 is about 698.0917722099.

Adding to 340202545 its reverse (545202043), we get a palindrome (885404588).

The spelling of 340202545 in words is "three hundred forty million, two hundred two thousand, five hundred forty-five".