345062645 has 4 divisors (see below), whose sum is σ = 414075180. Its totient is φ = 276050112.

The previous prime is 345062593. The next prime is 345062647. The reversal of 345062645 is 546260543.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 119552356 + 225510289 = 10934^2 + 15017^2 .

It is a cyclic number.

It is not a de Polignac number, because 345062645 - 2¹⁸ = 344800501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345062647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34506260 + ... + 34506269.

It is an arithmetic number, because the mean of its divisors is an integer number (103518795).

Almost surely, 2^345062645 is an apocalyptic number.

It is an amenable number.

345062645 is a deficient number, since it is larger than the sum of its proper divisors (69012535).

345062645 is an equidigital number, since it uses as much as digits as its factorization.

345062645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69012534.

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 345062645 is about 18575.8618911748. The cubic root of 345062645 is about 701.4003565694.

The spelling of 345062645 in words is "three hundred forty-five million, sixty-two thousand, six hundred forty-five".