1383056245 has 8 divisors (see below), whose sum is σ = 1660215384. Its totient is φ = 1106079744.

The previous prime is 1383056243. The next prime is 1383056249. The reversal of 1383056245 is 5426503831.

It can be written as a sum of positive squares in 4 ways, for example, as 656538129 + 726518116 = 25623^2 + 26954^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1383056245 - 2¹ = 1383056243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383056243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28404 + ... + 59773.

It is an arithmetic number, because the mean of its divisors is an integer number (207526923).

Almost surely, 2^1383056245 is an apocalyptic number.

It is an amenable number.

1383056245 is a deficient number, since it is larger than the sum of its proper divisors (277159139).

1383056245 is an equidigital number, since it uses as much as digits as its factorization.

1383056245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91319.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 1383056245 is about 37189.4641666158. The cubic root of 1383056245 is about 1114.1575664557.

The spelling of 1383056245 in words is "one billion, three hundred eighty-three million, fifty-six thousand, two hundred forty-five".