1345345156 has 6 divisors (see below), whose sum is σ = 2354354030. Its totient is φ = 672672576.

The previous prime is 1345345151. The next prime is 1345345181. The reversal of 1345345156 is 6515435431.

It can be written as a sum of positive squares in only one way, i.e., 960008256 + 385336900 = 30984^2 + 19630^2 .

It is not an unprimeable number, because it can be changed into a prime (1345345151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168168141 + ... + 168168148.

Almost surely, 2^1345345156 is an apocalyptic number.

It is an amenable number.

1345345156 is a deficient number, since it is larger than the sum of its proper divisors (1009008874).

1345345156 is a wasteful number, since it uses less digits than its factorization.

1345345156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336336293 (or 336336291 counting only the distinct ones).

The product of its digits is 108000, while the sum is 37.

The square root of 1345345156 is about 36678.9470405027. The cubic root of 1345345156 is about 1103.9377207481.

The spelling of 1345345156 in words is "one billion, three hundred forty-five million, three hundred forty-five thousand, one hundred fifty-six".