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1144302141 = 323109315173
BaseRepresentation
bin100010000110100…
…1010101000111101
32221202012120102210
41010031022220331
54320420132031
6305314211033
740233256563
oct10415125075
92852176383
101144302141
11537a24154
1227b283a79
131530c2778
14abd91a33
156a6d7746
hex4434aa3d

1144302141 has 16 divisors (see below), whose sum is σ = 1593634176. Its totient is φ = 728984256.

The previous prime is 1144302139. The next prime is 1144302149. The reversal of 1144302141 is 1412034411.

It is not a de Polignac number, because 1144302141 - 21 = 1144302139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144302149) 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, 67831 + ... + 83003.

It is an arithmetic number, because the mean of its divisors is an integer number (99602136).

Almost surely, 21144302141 is an apocalyptic number.

It is an amenable number.

1144302141 is a deficient number, since it is larger than the sum of its proper divisors (449332035).

1144302141 is a wasteful number, since it uses less digits than its factorization.

1144302141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16292.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1144302141 is about 33827.5352486698. The cubic root of 1144302141 is about 1045.9563723978.

Adding to 1144302141 its reverse (1412034411), we get a palindrome (2556336552).

The spelling of 1144302141 in words is "one billion, one hundred forty-four million, three hundred two thousand, one hundred forty-one".

Divisors: 1 3 23 69 1093 3279 15173 25139 45519 75417 348979 1046937 16584089 49752267 381434047 1144302141