Search a number
-
+
1144045807 is a prime number
BaseRepresentation
bin100010000110000…
…1100000011101111
32221201201112210221
41010030030003233
54320333431212
6305304512211
740231141342
oct10414140357
92851645727
101144045807
11537869603
1227b17b667
13153032ba8
14abd26459
156a686807
hex4430c0ef

1144045807 has 2 divisors, whose sum is σ = 1144045808. Its totient is φ = 1144045806.

The previous prime is 1144045781. The next prime is 1144045811. The reversal of 1144045807 is 7085404411.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1144045807 - 223 = 1135657199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144045867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572022903 + 572022904.

It is an arithmetic number, because the mean of its divisors is an integer number (572022904).

Almost surely, 21144045807 is an apocalyptic number.

1144045807 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144045807 is an equidigital number, since it uses as much as digits as its factorization.

1144045807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 1144045807 is about 33823.7461999702. The cubic root of 1144045807 is about 1045.8782653450.

The spelling of 1144045807 in words is "one billion, one hundred forty-four million, forty-five thousand, eight hundred seven".