1345231045 has 8 divisors (see below), whose sum is σ = 1622390400. Its totient is φ = 1070776080.

The previous prime is 1345231031. The next prime is 1345231073. The reversal of 1345231045 is 5401325431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1345231045 - 2¹⁵ = 1345198277 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 675001 + ... + 676990.

It is an arithmetic number, because the mean of its divisors is an integer number (202798800).

Almost surely, 2^1345231045 is an apocalyptic number.

It is an amenable number.

1345231045 is a deficient number, since it is larger than the sum of its proper divisors (277159355).

1345231045 is a wasteful number, since it uses less digits than its factorization.

1345231045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352195.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1345231045 is about 36677.3914694052. The cubic root of 1345231045 is about 1103.9065081882.

Adding to 1345231045 its reverse (5401325431), we get a palindrome (6746556476).

The spelling of 1345231045 in words is "one billion, three hundred forty-five million, two hundred thirty-one thousand, forty-five".