1044145 has 16 divisors (see below), whose sum is σ = 1368000. Its totient is φ = 762048.

The previous prime is 1044139. The next prime is 1044149. The reversal of 1044145 is 5414401.

It is a cyclic number.

It is not a de Polignac number, because 1044145 - 2¹³ = 1035953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1044149) 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, 2566 + ... + 2944.

It is an arithmetic number, because the mean of its divisors is an integer number (85500).

2^1044145 is an apocalyptic number.

It is an amenable number.

1044145 is a deficient number, since it is larger than the sum of its proper divisors (323855).

1044145 is a wasteful number, since it uses less digits than its factorization.

1044145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1044145 is about 1021.8341352685. The cubic root of 1044145 is about 101.4503627809.

Adding to 1044145 its reverse (5414401), we get a palindrome (6458546).

The spelling of 1044145 in words is "one million, forty-four thousand, one hundred forty-five".