1345041458 has 4 divisors (see below), whose sum is σ = 2017562190. Its totient is φ = 672520728.

The previous prime is 1345041457. The next prime is 1345041487. The reversal of 1345041458 is 8541405431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1332031009 + 13010449 = 36497^2 + 3607^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1345041457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336260363 + ... + 336260366.

Almost surely, 2^1345041458 is an apocalyptic number.

1345041458 is a deficient number, since it is larger than the sum of its proper divisors (672520732).

1345041458 is an equidigital number, since it uses as much as digits as its factorization.

1345041458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672520731.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 1345041458 is about 36674.8068570238. The cubic root of 1345041458 is about 1103.8546469220.

Adding to 1345041458 its reverse (8541405431), we get a palindrome (9886446889).

The spelling of 1345041458 in words is "one billion, three hundred forty-five million, forty-one thousand, four hundred fifty-eight".