1145545512633 has 40 divisors (see below), whose sum is σ = 1723258211400. Its totient is φ = 758339781120.

The previous prime is 1145545512623. The next prime is 1145545512719. The reversal of 1145545512633 is 3362155455411.

It is a happy number.

1145545512633 is a `hidden beast` number, since 1 + 1 + 4 + 5 + 5 + 4 + 5 + 5 + 1 + 2 + 633 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 95029159824 + 1050516352809 = 308268^2 + 1024947^2 .

It is not a de Polignac number, because 1145545512633 - 2⁴⁰ = 46033884857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1145545512623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 45378891 + ... + 45404127.

It is an arithmetic number, because the mean of its divisors is an integer number (43081455285).

Almost surely, 2^{1145545512633} is an apocalyptic number.

It is an amenable number.

1145545512633 is a deficient number, since it is larger than the sum of its proper divisors (577712698767).

1145545512633 is a wasteful number, since it uses less digits than its factorization.

1145545512633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29159 (or 29150 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 45.

The spelling of 1145545512633 in words is "one trillion, one hundred forty-five billion, five hundred forty-five million, five hundred twelve thousand, six hundred thirty-three".