145911312968 has 16 divisors (see below), whose sum is σ = 273625597680. Its totient is φ = 72944486928.

The previous prime is 145911312929. The next prime is 145911312971. The reversal of 145911312968 is 869213119541.

It is a happy number.

It is a super-2 number, since 2×145911312968² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1340546 + ... + 1445297.

It is an arithmetic number, because the mean of its divisors is an integer number (17101599855).

Almost surely, 2^145911312968 is an apocalyptic number.

It is an amenable number.

145911312968 is a deficient number, since it is larger than the sum of its proper divisors (127714284712).

145911312968 is a wasteful number, since it uses less digits than its factorization.

145911312968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792396 (or 2792392 counting only the distinct ones).

The product of its digits is 466560, while the sum is 50.

The spelling of 145911312968 in words is "one hundred forty-five billion, nine hundred eleven million, three hundred twelve thousand, nine hundred sixty-eight".