1144395 has 48 divisors (see below), whose sum is σ = 2380320. Its totient is φ = 520128.

The previous prime is 1144393. The next prime is 1144399. The reversal of 1144395 is 5934411.

It is not a de Polignac number, because 1144395 - 2¹ = 1144393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1144393) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 6529 + ... + 6701.

It is an arithmetic number, because the mean of its divisors is an integer number (49590).

2^1144395 is an apocalyptic number.

1144395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1144395 is an abundant number, since it is smaller than the sum of its proper divisors (1235925).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144395 is a wasteful number, since it uses less digits than its factorization.

1144395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 188 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 1144395 is about 1069.7639926638. The cubic root of 1144395 is about 104.5984664412.

The spelling of 1144395 in words is "one million, one hundred forty-four thousand, three hundred ninety-five".