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1143224153 = 8747130699
BaseRepresentation
bin100010000100100…
…0011011101011001
32221200011210201022
41010021003131121
54320131133103
6305235132225
740221150011
oct10411033531
92850153638
101143224153
11537358255
1227aa44075
13152b05bc6
14abb90c41
156a573138
hex44243759

1143224153 has 4 divisors (see below), whose sum is σ = 1143363600. Its totient is φ = 1143084708.

The previous prime is 1143224077. The next prime is 1143224161. The reversal of 1143224153 is 3514223411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1143224153 - 28 = 1143223897 is a prime.

It is a super-2 number, since 2×11432241532 = 2613922928005134818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143227153) 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 in 3 ways as a sum of consecutive naturals, for example, 56603 + ... + 74096.

It is an arithmetic number, because the mean of its divisors is an integer number (285840900).

Almost surely, 21143224153 is an apocalyptic number.

It is an amenable number.

1143224153 is a deficient number, since it is larger than the sum of its proper divisors (139447).

1143224153 is an equidigital number, since it uses as much as digits as its factorization.

1143224153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139446.

The product of its digits is 2880, while the sum is 26.

The square root of 1143224153 is about 33811.5979066355. The cubic root of 1143224153 is about 1045.6278220307.

Adding to 1143224153 its reverse (3514223411), we get a palindrome (4657447564).

The spelling of 1143224153 in words is "one billion, one hundred forty-three million, two hundred twenty-four thousand, one hundred fifty-three".

Divisors: 1 8747 130699 1143224153