1345123125145 has 16 divisors (see below), whose sum is σ = 1699301520000. Its totient is φ = 1019342562048.

The previous prime is 1345123125133. The next prime is 1345123125187. The reversal of 1345123125145 is 5415213215431.

It is a cyclic number.

It is not a de Polignac number, because 1345123125145 - 2⁵ = 1345123125113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6400 + ... + 1640209.

It is an arithmetic number, because the mean of its divisors is an integer number (106206345000).

Almost surely, 2^{1345123125145} is an apocalyptic number.

It is an amenable number.

1345123125145 is a deficient number, since it is larger than the sum of its proper divisors (354178394855).

1345123125145 is a wasteful number, since it uses less digits than its factorization.

1345123125145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655232.

The product of its digits is 72000, while the sum is 37.

The spelling of 1345123125145 in words is "one trillion, three hundred forty-five billion, one hundred twenty-three million, one hundred twenty-five thousand, one hundred forty-five".