1344555145 has 16 divisors (see below), whose sum is σ = 1645608960. Its totient is φ = 1054257984.

The previous prime is 1344555139. The next prime is 1344555203. The reversal of 1344555145 is 5415554431.

It is a cyclic number.

It is not a de Polignac number, because 1344555145 - 2¹¹ = 1344553097 is a prime.

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, 336952 + ... + 340918.

It is an arithmetic number, because the mean of its divisors is an integer number (102850560).

Almost surely, 2^1344555145 is an apocalyptic number.

It is an amenable number.

1344555145 is a deficient number, since it is larger than the sum of its proper divisors (301053815).

1344555145 is a wasteful number, since it uses less digits than its factorization.

1344555145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5304.

The product of its digits is 120000, while the sum is 37.

The square root of 1344555145 is about 36668.1761886244. The cubic root of 1344555145 is about 1103.7215943751.

The spelling of 1344555145 in words is "one billion, three hundred forty-four million, five hundred fifty-five thousand, one hundred forty-five".