1345092218 has 4 divisors (see below), whose sum is σ = 2017638330. Its totient is φ = 672546108.

The previous prime is 1345092211. The next prime is 1345092227. The reversal of 1345092218 is 8122905431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8122905431 = 69809 ⋅116359.

It can be written as a sum of positive squares in only one way, i.e., 1321540609 + 23551609 = 36353^2 + 4853^2 .

It is not an unprimeable number, because it can be changed into a prime (1345092211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336273053 + ... + 336273056.

Almost surely, 2^1345092218 is an apocalyptic number.

1345092218 is a deficient number, since it is larger than the sum of its proper divisors (672546112).

1345092218 is an equidigital number, since it uses as much as digits as its factorization.

1345092218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672546111.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1345092218 is about 36675.4988786792. The cubic root of 1345092218 is about 1103.8685327287.

Adding to 1345092218 its reverse (8122905431), we get a palindrome (9467997649).

The spelling of 1345092218 in words is "one billion, three hundred forty-five million, ninety-two thousand, two hundred eighteen".