1345812242 has 32 divisors (see below), whose sum is σ = 2195320320. Its totient is φ = 616412160.

The previous prime is 1345812217. The next prime is 1345812257. The reversal of 1345812242 is 2422185431.

It is a super-2 number, since 2×1345812242² = 3622421181434133128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1345812199 and 1345812208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187178 + ... + 194234.

It is an arithmetic number, because the mean of its divisors is an integer number (68603760).

Almost surely, 2^1345812242 is an apocalyptic number.

1345812242 is a deficient number, since it is larger than the sum of its proper divisors (849508078).

1345812242 is a wasteful number, since it uses less digits than its factorization.

1345812242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7226.

The product of its digits is 15360, while the sum is 32.

The square root of 1345812242 is about 36685.3137099848. The cubic root of 1345812242 is about 1104.0654634788.

Adding to 1345812242 its reverse (2422185431), we get a palindrome (3767997673).

The spelling of 1345812242 in words is "one billion, three hundred forty-five million, eight hundred twelve thousand, two hundred forty-two".