1145673967438 has 48 divisors (see below), whose sum is σ = 2320049264256. Its totient is φ = 412030588320.

The previous prime is 1145673967409. The next prime is 1145673967481. The reversal of 1145673967438 is 8347693765411.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1145673967438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21984156 + ... + 22036207.

It is an arithmetic number, because the mean of its divisors is an integer number (48334359672).

Almost surely, 2^{1145673967438} is an apocalyptic number.

1145673967438 is an abundant number, since it is smaller than the sum of its proper divisors (1174375296818).

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

1145673967438 is a wasteful number, since it uses less digits than its factorization.

1145673967438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44020409 (or 44020396 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 64.

The spelling of 1145673967438 in words is "one trillion, one hundred forty-five billion, six hundred seventy-three million, nine hundred sixty-seven thousand, four hundred thirty-eight".