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1144245 = 3576283
BaseRepresentation
bin100010111010110110101
32011010121110
410113112311
5243103440
640305233
712503664
oct4272665
92133543
101144245
11711763
12472219
13310a8b
15179080
hex1175b5

1144245 has 8 divisors (see below), whose sum is σ = 1830816. Its totient is φ = 610256.

The previous prime is 1144243. The next prime is 1144249. The reversal of 1144245 is 5424411.

It is a happy number.

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 1144245 - 21 = 1144243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144243) 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, 38127 + ... + 38156.

It is an arithmetic number, because the mean of its divisors is an integer number (228852).

21144245 is an apocalyptic number.

1144245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1144245 is a deficient number, since it is larger than the sum of its proper divisors (686571).

1144245 is an equidigital number, since it uses as much as digits as its factorization.

1144245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76291.

The product of its digits is 640, while the sum is 21.

The square root of 1144245 is about 1069.6938814446. The cubic root of 1144245 is about 104.5938962081.

Adding to 1144245 its reverse (5424411), we get a palindrome (6568656).

The spelling of 1144245 in words is "one million, one hundred forty-four thousand, two hundred forty-five".

Divisors: 1 3 5 15 76283 228849 381415 1144245