340045453 has 12 divisors (see below), whose sum is σ = 374613120. Its totient is φ = 308434280.

The previous prime is 340045427. The next prime is 340045493. The reversal of 340045453 is 354540043.

It is not a de Polignac number, because 340045453 - 2¹⁷ = 339914381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340045493) 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 11 ways as a sum of consecutive naturals, for example, 55026 + ... + 60892.

It is an arithmetic number, because the mean of its divisors is an integer number (31217760).

Almost surely, 2^340045453 is an apocalyptic number.

It is an amenable number.

340045453 is a deficient number, since it is larger than the sum of its proper divisors (34567667).

340045453 is a wasteful number, since it uses less digits than its factorization.

340045453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6368 (or 6357 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 340045453 is about 18440.3213909086. The cubic root of 340045453 is about 697.9843053315.

Adding to 340045453 its reverse (354540043), we get a palindrome (694585496).

The spelling of 340045453 in words is "three hundred forty million, forty-five thousand, four hundred fifty-three".