1068644145 has 8 divisors (see below), whose sum is σ = 1709830656. Its totient is φ = 569943536.

The previous prime is 1068644119. The next prime is 1068644209. The reversal of 1068644145 is 5414468601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1068644145 - 2⁸ = 1068643889 is a prime.

It is a super-2 number, since 2×1068644145² = 2284000617285562050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35621457 + ... + 35621486.

It is an arithmetic number, because the mean of its divisors is an integer number (213728832).

Almost surely, 2^1068644145 is an apocalyptic number.

1068644145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1068644145 is a deficient number, since it is larger than the sum of its proper divisors (641186511).

1068644145 is an equidigital number, since it uses as much as digits as its factorization.

1068644145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71242951.

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 1068644145 is about 32690.1230496308. The cubic root of 1068644145 is about 1022.3769202028.

The spelling of 1068644145 in words is "one billion, sixty-eight million, six hundred forty-four thousand, one hundred forty-five".