145321068 has 24 divisors (see below), whose sum is σ = 339380272. Its totient is φ = 48397824.

The previous prime is 145321031. The next prime is 145321079. The reversal of 145321068 is 860123541.

It is a super-2 number, since 2×145321068² = 42236425609321248, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 10896 + ... + 20232.

Almost surely, 2^145321068 is an apocalyptic number.

It is an amenable number.

145321068 is an abundant number, since it is smaller than the sum of its proper divisors (194059204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145321068 is a wasteful number, since it uses less digits than its factorization.

145321068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10641 (or 10639 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 145321068 is about 12054.9188300876. The cubic root of 145321068 is about 525.7462620780.

The spelling of 145321068 in words is "one hundred forty-five million, three hundred twenty-one thousand, sixty-eight".