1145633345999 has 4 divisors (see below), whose sum is σ = 1146467748936. Its totient is φ = 1144798943064.

The previous prime is 1145633345981. The next prime is 1145633346019. The reversal of 1145633345999 is 9995433365411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1145633345999 - 2²⁰ = 1145632297423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145633345099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417199409 + ... + 417202154.

It is an arithmetic number, because the mean of its divisors is an integer number (286616937234).

Almost surely, 2^{1145633345999} is an apocalyptic number.

1145633345999 is a deficient number, since it is larger than the sum of its proper divisors (834402937).

1145633345999 is an equidigital number, since it uses as much as digits as its factorization.

1145633345999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834402936.

The product of its digits is 47239200, while the sum is 62.

The spelling of 1145633345999 in words is "one trillion, one hundred forty-five billion, six hundred thirty-three million, three hundred forty-five thousand, nine hundred ninety-nine".