1068145028 has 6 divisors (see below), whose sum is σ = 1869253806. Its totient is φ = 534072512.

The previous prime is 1068145009. The next prime is 1068145063. The reversal of 1068145028 is 8205418601.

It can be written as a sum of positive squares in only one way, i.e., 880783684 + 187361344 = 29678^2 + 13688^2 .

It is a super-2 number, since 2×1068145028² = 2281867601682241568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133518125 + ... + 133518132.

It is an arithmetic number, because the mean of its divisors is an integer number (311542301).

Almost surely, 2^1068145028 is an apocalyptic number.

It is an amenable number.

1068145028 is a deficient number, since it is larger than the sum of its proper divisors (801108778).

1068145028 is a wasteful number, since it uses less digits than its factorization.

1068145028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267036261 (or 267036259 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 1068145028 is about 32682.4880937789. The cubic root of 1068145028 is about 1022.2177262160.

The spelling of 1068145028 in words is "one billion, sixty-eight million, one hundred forty-five thousand, twenty-eight".