1045142212305 has 32 divisors (see below), whose sum is σ = 1778393937024. Its totient is φ = 522309272576.

The previous prime is 1045142212291. The next prime is 1045142212327. The reversal of 1045142212305 is 5032122415401.

It is a cyclic number.

It is not a de Polignac number, because 1045142212305 - 2⁹ = 1045142211793 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8969862 + ... + 9085631.

It is an arithmetic number, because the mean of its divisors is an integer number (55574810532).

Almost surely, 2^{1045142212305} is an apocalyptic number.

1045142212305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1045142212305 is a deficient number, since it is larger than the sum of its proper divisors (733251724719).

1045142212305 is a wasteful number, since it uses less digits than its factorization.

1045142212305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18055745.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 1045142212305 its reverse (5032122415401), we get a palindrome (6077264627706).

The spelling of 1045142212305 in words is "one trillion, forty-five billion, one hundred forty-two million, two hundred twelve thousand, three hundred five".