Search a number
-
+
144891303 = 3311997829
BaseRepresentation
bin10001010001011…
…01110110100111
3101002122020111120
420220231312213
5244043010203
622213305023
73406361424
oct1050556647
9332566446
10144891303
1174872a87
1240635173
13240307cb
1415358d4b
15cac0b53
hex8a2dda7

144891303 has 16 divisors (see below), whose sum is σ = 200448000. Its totient is φ = 92996640.

The previous prime is 144891269. The next prime is 144891361. The reversal of 144891303 is 303198441.

It is not a de Polignac number, because 144891303 - 26 = 144891239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144891503) 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, 14593 + ... + 22421.

It is an arithmetic number, because the mean of its divisors is an integer number (12528000).

Almost surely, 2144891303 is an apocalyptic number.

144891303 is a deficient number, since it is larger than the sum of its proper divisors (55556697).

144891303 is a wasteful number, since it uses less digits than its factorization.

144891303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8062.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 144891303 is about 12037.0803353637. The cubic root of 144891303 is about 525.2274787451.

The spelling of 144891303 in words is "one hundred forty-four million, eight hundred ninety-one thousand, three hundred three".

Divisors: 1 3 31 93 199 597 6169 7829 18507 23487 242699 728097 1557971 4673913 48297101 144891303