1343785245 has 32 divisors (see below), whose sum is σ = 2367066240. Its totient is φ = 645546240.

The previous prime is 1343785237. The next prime is 1343785253. The reversal of 1343785245 is 5425873431.

It is an interprime number because it is at equal distance from previous prime (1343785237) and next prime (1343785253).

It is not a de Polignac number, because 1343785245 - 2³ = 1343785237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1343785197 and 1343785206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19374 + ... + 55343.

It is an arithmetic number, because the mean of its divisors is an integer number (73970820).

Almost surely, 2^1343785245 is an apocalyptic number.

1343785245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1343785245 is a deficient number, since it is larger than the sum of its proper divisors (1023280995).

1343785245 is a wasteful number, since it uses less digits than its factorization.

1343785245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74845.

The product of its digits is 403200, while the sum is 42.

The square root of 1343785245 is about 36657.6764811956. The cubic root of 1343785245 is about 1103.5108883776.

The spelling of 1343785245 in words is "one billion, three hundred forty-three million, seven hundred eighty-five thousand, two hundred forty-five".