1345463145 has 24 divisors (see below), whose sum is σ = 2511532296. Its totient is φ = 662381568.

The previous prime is 1345463143. The next prime is 1345463159. The reversal of 1345463145 is 5413645431.

1345463145 is a `hidden beast` number, since 1 + 3 + 454 + 63 + 145 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 300363561 + 1045099584 = 17331^2 + 32328^2 .

It is not a de Polignac number, because 1345463145 - 2¹ = 1345463143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1345463143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1149384 + ... + 1150553.

It is an arithmetic number, because the mean of its divisors is an integer number (104647179).

Almost surely, 2^1345463145 is an apocalyptic number.

1345463145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1345463145 is a deficient number, since it is larger than the sum of its proper divisors (1166069151).

1345463145 is a wasteful number, since it uses less digits than its factorization.

1345463145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299961 (or 2299958 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 1345463145 is about 36680.5554074635. Note that the first 3 decimals coincide. The cubic root of 1345463145 is about 1103.9699921940.

The spelling of 1345463145 in words is "one billion, three hundred forty-five million, four hundred sixty-three thousand, one hundred forty-five".