307645345 has 32 divisors (see below), whose sum is σ = 457664256. Its totient is φ = 193689600.

The previous prime is 307645339. The next prime is 307645357. The reversal of 307645345 is 543546703.

It is not a de Polignac number, because 307645345 - 2¹³ = 307637153 is a prime.

It is an unprimeable number.

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, 18090 + ... + 30700.

It is an arithmetic number, because the mean of its divisors is an integer number (14302008).

Almost surely, 2^307645345 is an apocalyptic number.

307645345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

307645345 is a deficient number, since it is larger than the sum of its proper divisors (150018911).

307645345 is a wasteful number, since it uses less digits than its factorization.

307645345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12681.

The product of its (nonzero) digits is 151200, while the sum is 37.

The square root of 307645345 is about 17539.8216923662. The cubic root of 307645345 is about 675.0720325505.

The spelling of 307645345 in words is "three hundred seven million, six hundred forty-five thousand, three hundred forty-five".