1345442118 has 32 divisors (see below), whose sum is σ = 2883517056. Its totient is φ = 417011328.

The previous prime is 1345442113. The next prime is 1345442141. The reversal of 1345442118 is 8112445431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345442113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70996 + ... + 87927.

It is an arithmetic number, because the mean of its divisors is an integer number (90109908).

Almost surely, 2^1345442118 is an apocalyptic number.

1345442118 is an abundant number, since it is smaller than the sum of its proper divisors (1538074938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1345442118 is a wasteful number, since it uses less digits than its factorization.

1345442118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159028.

The product of its digits is 15360, while the sum is 33.

The square root of 1345442118 is about 36680.2687830937. The cubic root of 1345442118 is about 1103.9642411884.

Adding to 1345442118 its reverse (8112445431), we get a palindrome (9457887549).

The spelling of 1345442118 in words is "one billion, three hundred forty-five million, four hundred forty-two thousand, one hundred eighteen".