1383022645 has 16 divisors (see below), whose sum is σ = 1667357568. Its totient is φ = 1101280320.

The previous prime is 1383022601. The next prime is 1383022649. The reversal of 1383022645 is 5462203831.

It is not a de Polignac number, because 1383022645 - 2¹⁵ = 1382989877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1383022645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383022649) 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, 1756942 + ... + 1757728.

It is an arithmetic number, because the mean of its divisors is an integer number (104209848).

Almost surely, 2^1383022645 is an apocalyptic number.

It is an amenable number.

1383022645 is a deficient number, since it is larger than the sum of its proper divisors (284334923).

1383022645 is an equidigital number, since it uses as much as digits as its factorization.

1383022645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 1383022645 is about 37189.0124230262. The cubic root of 1383022645 is about 1114.1485439261.

The spelling of 1383022645 in words is "one billion, three hundred eighty-three million, twenty-two thousand, six hundred forty-five".