340445245 has 32 divisors (see below), whose sum is σ = 474912000. Its totient is φ = 229478400.

The previous prime is 340445243. The next prime is 340445279. The reversal of 340445245 is 542544043.

It is not a de Polignac number, because 340445245 - 2¹ = 340445243 is a prime.

It is a super-2 number, since 2×340445245² = 231805929686220050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340445243) 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 31 ways as a sum of consecutive naturals, for example, 682006 + ... + 682504.

It is an arithmetic number, because the mean of its divisors is an integer number (14841000).

Almost surely, 2^340445245 is an apocalyptic number.

340445245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

340445245 is a deficient number, since it is larger than the sum of its proper divisors (134466755).

340445245 is a wasteful number, since it uses less digits than its factorization.

340445245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805.

The product of its (nonzero) digits is 38400, while the sum is 31.

The square root of 340445245 is about 18451.1583647206. The cubic root of 340445245 is about 698.2577386339.

Adding to 340445245 its reverse (542544043), we get a palindrome (882989288).

The spelling of 340445245 in words is "three hundred forty million, four hundred forty-five thousand, two hundred forty-five".