1345158905 has 24 divisors (see below), whose sum is σ = 1658073240. Its totient is φ = 1047411200.

The previous prime is 1345158901. The next prime is 1345158929. The reversal of 1345158905 is 5098515431.

It can be written as a sum of positive squares in 12 ways, for example, as 27541504 + 1317617401 = 5248^2 + 36299^2 .

It is not a de Polignac number, because 1345158905 - 2² = 1345158901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345158901) 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, 7775399 + ... + 7775571.

It is an arithmetic number, because the mean of its divisors is an integer number (69086385).

Almost surely, 2^1345158905 is an apocalyptic number.

It is an amenable number.

1345158905 is a deficient number, since it is larger than the sum of its proper divisors (312914335).

1345158905 is an equidigital number, since it uses as much as digits as its factorization.

1345158905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 41.

The square root of 1345158905 is about 36676.4080165984. The cubic root of 1345158905 is about 1103.8867749635.

The spelling of 1345158905 in words is "one billion, three hundred forty-five million, one hundred fifty-eight thousand, nine hundred five".