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1144151245 = 5401570649
BaseRepresentation
bin100010000110010…
…0101110011001101
32221201220220110001
41010030211303031
54320400314440
6305311044301
740232060626
oct10414456315
92851826401
101144151245
11537930846
1227b210691
1315306bb93
14abd52a4d
156a6a7b9a
hex44325ccd

1144151245 has 8 divisors (see below), whose sum is σ = 1376407800. Its totient is φ = 913036800.

The previous prime is 1144151237. The next prime is 1144151269. The reversal of 1144151245 is 5421514411.

It can be written as a sum of positive squares in 4 ways, for example, as 114190596 + 1029960649 = 10686^2 + 32093^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1144151245 - 23 = 1144151237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283320 + ... + 287329.

It is an arithmetic number, because the mean of its divisors is an integer number (172050975).

Almost surely, 21144151245 is an apocalyptic number.

It is an amenable number.

1144151245 is a deficient number, since it is larger than the sum of its proper divisors (232256555).

1144151245 is an equidigital number, since it uses as much as digits as its factorization.

1144151245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571055.

The product of its digits is 3200, while the sum is 28.

The square root of 1144151245 is about 33825.3048027656. The cubic root of 1144151245 is about 1045.9103945728.

Adding to 1144151245 its reverse (5421514411), we get a palindrome (6565665656).

The spelling of 1144151245 in words is "one billion, one hundred forty-four million, one hundred fifty-one thousand, two hundred forty-five".

Divisors: 1 5 401 2005 570649 2853245 228830249 1144151245