1345423203145 has 16 divisors (see below), whose sum is σ = 1846080528768. Its totient is φ = 922111557120.

The previous prime is 1345423203139. The next prime is 1345423203191. The reversal of 1345423203145 is 5413023245431.

It is not a de Polignac number, because 1345423203145 - 2³³ = 1336833268553 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, 9603496 + ... + 9742585.

It is an arithmetic number, because the mean of its divisors is an integer number (115380033048).

Almost surely, 2^{1345423203145} is an apocalyptic number.

It is an amenable number.

1345423203145 is a deficient number, since it is larger than the sum of its proper divisors (500657325623).

1345423203145 is a wasteful number, since it uses less digits than its factorization.

1345423203145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19348080.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 1345423203145 its reverse (5413023245431), we get a palindrome (6758446448576).

The spelling of 1345423203145 in words is "one trillion, three hundred forty-five billion, four hundred twenty-three million, two hundred three thousand, one hundred forty-five".