1142345105305 has 8 divisors (see below), whose sum is σ = 1442962238400. Its totient is φ = 865777342896.

The previous prime is 1142345105269. The next prime is 1142345105327. The reversal of 1142345105305 is 5035015432411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1142345105305 - 2²⁷ = 1142210887577 is a prime.

It is a super-2 number, since 2×1142345105305² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6012342565 + ... + 6012342754.

It is an arithmetic number, because the mean of its divisors is an integer number (180370279800).

Almost surely, 2^{1142345105305} is an apocalyptic number.

It is an amenable number.

1142345105305 is a deficient number, since it is larger than the sum of its proper divisors (300617133095).

1142345105305 is a wasteful number, since it uses less digits than its factorization.

1142345105305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12024685343.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 1142345105305 in words is "one trillion, one hundred forty-two billion, three hundred forty-five million, one hundred five thousand, three hundred five".