1385545 has 16 divisors (see below), whose sum is σ = 1963008. Its totient is φ = 918720.

The previous prime is 1385521. The next prime is 1385561. The reversal of 1385545 is 5455831.

It is not a de Polignac number, because 1385545 - 2¹¹ = 1383497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a d-powerful number, because it can be written as 1 + 3¹⁰ + 8⁶ + 5² + 5³ + 4¹⁰ + 5⁶ .

It is a Duffinian number.

It is a nialpdrome in base 8.

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, 447 + ... + 1723.

It is an arithmetic number, because the mean of its divisors is an integer number (122688).

2^1385545 is an apocalyptic number.

It is an amenable number.

1385545 is a deficient number, since it is larger than the sum of its proper divisors (577463).

1385545 is a wasteful number, since it uses less digits than its factorization.

1385545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320.

The product of its digits is 12000, while the sum is 31.

The square root of 1385545 is about 1177.0917551321. The cubic root of 1385545 is about 111.4825460155.

It can be divided in two parts, 13 and 85545, that added together give a palindrome (85558).

The spelling of 1385545 in words is "one million, three hundred eighty-five thousand, five hundred forty-five".