1345212044 has 12 divisors (see below), whose sum is σ = 2568132168. Its totient is φ = 611460000.

The previous prime is 1345212019. The next prime is 1345212053. The reversal of 1345212044 is 4402125431.

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 3 ways as a sum of consecutive naturals, for example, 15286457 + ... + 15286544.

It is an arithmetic number, because the mean of its divisors is an integer number (214011014).

Almost surely, 2^1345212044 is an apocalyptic number.

It is an amenable number.

1345212044 is a deficient number, since it is larger than the sum of its proper divisors (1222920124).

1345212044 is a wasteful number, since it uses less digits than its factorization.

1345212044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30573016 (or 30573014 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1345212044 is about 36677.1324397096. The cubic root of 1345212044 is about 1103.9013107101.

Adding to 1345212044 its reverse (4402125431), we get a palindrome (5747337475).

The spelling of 1345212044 in words is "one billion, three hundred forty-five million, two hundred twelve thousand, forty-four".