1344626245 has 4 divisors (see below), whose sum is σ = 1613551500. Its totient is φ = 1075700992.

The previous prime is 1344626221. The next prime is 1344626263. The reversal of 1344626245 is 5426264431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 920636964 + 423989281 = 30342^2 + 20591^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344626245 - 2¹⁵ = 1344593477 is a prime.

It is a super-3 number, since 3×1344626245³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134462620 + ... + 134462629.

It is an arithmetic number, because the mean of its divisors is an integer number (403387875).

Almost surely, 2^1344626245 is an apocalyptic number.

It is an amenable number.

1344626245 is a deficient number, since it is larger than the sum of its proper divisors (268925255).

1344626245 is an equidigital number, since it uses as much as digits as its factorization.

1344626245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268925254.

The product of its digits is 138240, while the sum is 37.

The square root of 1344626245 is about 36669.1456813491. The cubic root of 1344626245 is about 1103.7410489440.

The spelling of 1344626245 in words is "one billion, three hundred forty-four million, six hundred twenty-six thousand, two hundred forty-five".