1214663345 has 16 divisors (see below), whose sum is σ = 1763814528. Its totient is φ = 783916800.

The previous prime is 1214663323. The next prime is 1214663353. The reversal of 1214663345 is 5433664121.

It is not a de Polignac number, because 1214663345 - 2¹² = 1214659249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

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 15 ways as a sum of consecutive naturals, for example, 1020131 + ... + 1021320.

It is an arithmetic number, because the mean of its divisors is an integer number (110238408).

Almost surely, 2^1214663345 is an apocalyptic number.

It is an amenable number.

1214663345 is a deficient number, since it is larger than the sum of its proper divisors (549151183).

1214663345 is a wasteful number, since it uses less digits than its factorization.

1214663345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041480.

The product of its digits is 51840, while the sum is 35.

The square root of 1214663345 is about 34852.0206731260. The cubic root of 1214663345 is about 1066.9694270236.

The spelling of 1214663345 in words is "one billion, two hundred fourteen million, six hundred sixty-three thousand, three hundred forty-five".