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1144145343 = 311221315667
BaseRepresentation
bin100010000110010…
…0100010110111111
32221201220121100110
41010030210112333
54320400122333
6305311001103
740232034465
oct10414442677
92851817313
101144145343
11537927370
1227b209193
131530692a3
14abd50835
156a6a6063
hex443245bf

1144145343 has 16 divisors (see below), whose sum is σ = 1665069696. Its totient is φ = 693063840.

The previous prime is 1144145311. The next prime is 1144145357. The reversal of 1144145343 is 3435414411.

It is not a de Polignac number, because 1144145343 - 25 = 1144145311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1144145343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144145383) 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, 65196 + ... + 80862.

It is an arithmetic number, because the mean of its divisors is an integer number (104066856).

Almost surely, 21144145343 is an apocalyptic number.

1144145343 is a deficient number, since it is larger than the sum of its proper divisors (520924353).

1144145343 is a wasteful number, since it uses less digits than its factorization.

1144145343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17894.

The product of its digits is 11520, while the sum is 30.

The square root of 1144145343 is about 33825.2175602759. The cubic root of 1144145343 is about 1045.9085961586.

Adding to 1144145343 its reverse (3435414411), we get a palindrome (4579559754).

The spelling of 1144145343 in words is "one billion, one hundred forty-four million, one hundred forty-five thousand, three hundred forty-three".

Divisors: 1 3 11 33 2213 6639 15667 24343 47001 73029 172337 517011 34671071 104013213 381381781 1144145343