1345234441 has 4 divisors (see below), whose sum is σ = 1348341652. Its totient is φ = 1342127232.

The previous prime is 1345234433. The next prime is 1345234469. The reversal of 1345234441 is 1444325431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1444325431 = 103 ⋅14022577.

It can be written as a sum of positive squares in 2 ways, for example, as 208196041 + 1137038400 = 14429^2 + 33720^2 .

It is a cyclic number.

It is not a de Polignac number, because 1345234441 - 2³ = 1345234433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1345234421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1552956 + ... + 1553821.

It is an arithmetic number, because the mean of its divisors is an integer number (337085413).

Almost surely, 2^1345234441 is an apocalyptic number.

It is an amenable number.

1345234441 is a deficient number, since it is larger than the sum of its proper divisors (3107211).

1345234441 is an equidigital number, since it uses as much as digits as its factorization.

1345234441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3107210.

The product of its digits is 23040, while the sum is 31.

The square root of 1345234441 is about 36677.4377649257. The cubic root of 1345234441 is about 1103.9074371149.

Adding to 1345234441 its reverse (1444325431), we get a palindrome (2789559872).

The spelling of 1345234441 in words is "one billion, three hundred forty-five million, two hundred thirty-four thousand, four hundred forty-one".