345027645 has 48 divisors (see below), whose sum is σ = 621129600. Its totient is φ = 176964480.

The previous prime is 345027643. The next prime is 345027667. The reversal of 345027645 is 546720543.

345027645 is a `hidden beast` number, since 3 + 4 + 5 + 0 + 2 + 7 + 645 = 666.

It is not a de Polignac number, because 345027645 - 2¹ = 345027643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345027643) 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 47 ways as a sum of consecutive naturals, for example, 546480 + ... + 547110.

It is an arithmetic number, because the mean of its divisors is an integer number (12940200).

Almost surely, 2^345027645 is an apocalyptic number.

It is an amenable number.

345027645 is a deficient number, since it is larger than the sum of its proper divisors (276101955).

345027645 is a wasteful number, since it uses less digits than its factorization.

345027645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090 (or 1087 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 345027645 is about 18574.9197844836. The cubic root of 345027645 is about 701.3766412210.

The spelling of 345027645 in words is "three hundred forty-five million, twenty-seven thousand, six hundred forty-five".