1345204522234 has 4 divisors (see below), whose sum is σ = 2017806783354. Its totient is φ = 672602261116.

The previous prime is 1345204522231. The next prime is 1345204522261. The reversal of 1345204522234 is 4322254025431.

It is a happy number.

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., 1258877268009 + 86327254225 = 1121997^2 + 293815^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1345204522193 and 1345204522202.

It is not an unprimeable number, because it can be changed into a prime (1345204522231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336301130557 + ... + 336301130560.

Almost surely, 2^{1345204522234} is an apocalyptic number.

1345204522234 is a deficient number, since it is larger than the sum of its proper divisors (672602261120).

1345204522234 is an equidigital number, since it uses as much as digits as its factorization.

1345204522234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672602261119.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 1345204522234 its reverse (4322254025431), we get a palindrome (5667458547665).

The spelling of 1345204522234 in words is "one trillion, three hundred forty-five billion, two hundred four million, five hundred twenty-two thousand, two hundred thirty-four".