1345503145 has 16 divisors (see below), whose sum is σ = 1942381440. Its totient is φ = 874070784.

The previous prime is 1345503143. The next prime is 1345503149. The reversal of 1345503145 is 5413055431.

It is a cyclic number.

It is not a de Polignac number, because 1345503145 - 2¹ = 1345503143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1345503143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1010992 + ... + 1012321.

It is an arithmetic number, because the mean of its divisors is an integer number (121398840).

Almost surely, 2^1345503145 is an apocalyptic number.

It is an amenable number.

1345503145 is a deficient number, since it is larger than the sum of its proper divisors (596878295).

1345503145 is a wasteful number, since it uses less digits than its factorization.

1345503145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023344.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 1345503145 is about 36681.1006514254. The cubic root of 1345503145 is about 1103.9809322588.

Adding to 1345503145 its reverse (5413055431), we get a palindrome (6758558576).

The spelling of 1345503145 in words is "one billion, three hundred forty-five million, five hundred three thousand, one hundred forty-five".