1145105443052 has 24 divisors (see below), whose sum is σ = 2078448422400. Its totient is φ = 551366135936.

The previous prime is 1145105443033. The next prime is 1145105443061. The reversal of 1145105443052 is 2503445015411.

It is a happy number.

It is a super-2 number, since 2×1145105443052² (a number of 25 digits) 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, 12842777 + ... + 12931632.

It is an arithmetic number, because the mean of its divisors is an integer number (86602017600).

Almost surely, 2^{1145105443052} is an apocalyptic number.

It is an amenable number.

1145105443052 is a deficient number, since it is larger than the sum of its proper divisors (933342979348).

1145105443052 is a wasteful number, since it uses less digits than its factorization.

1145105443052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25774825 (or 25774823 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 1145105443052 in words is "one trillion, one hundred forty-five billion, one hundred five million, four hundred forty-three thousand, fifty-two".