1343444145 has 16 divisors (see below), whose sum is σ = 2242968192. Its totient is φ = 685351040.

The previous prime is 1343444119. The next prime is 1343444147. The reversal of 1343444145 is 5414443431.

It is not a de Polignac number, because 1343444145 - 2⁷ = 1343444017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1343444147) 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, 1946676 + ... + 1947365.

It is an arithmetic number, because the mean of its divisors is an integer number (140185512).

Almost surely, 2^1343444145 is an apocalyptic number.

1343444145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1343444145 is a deficient number, since it is larger than the sum of its proper divisors (899524047).

1343444145 is a wasteful number, since it uses less digits than its factorization.

1343444145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3894072.

The product of its digits is 46080, while the sum is 33.

The square root of 1343444145 is about 36653.0236815464. The cubic root of 1343444145 is about 1103.4175105063.

Adding to 1343444145 its reverse (5414443431), we get a palindrome (6757887576).

The spelling of 1343444145 in words is "one billion, three hundred forty-three million, four hundred forty-four thousand, one hundred forty-five".