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1145135341 = 74617773
BaseRepresentation
bin100010001000001…
…0110000011101101
32221210202220101001
41010100112003231
54321123312331
6305344120301
740243330000
oct10420260355
92853686331
101145135341
11538443149
1227b606091
13153324a9c
14ac12b537
156a7ee561
hex444160ed

1145135341 has 20 divisors (see below), whose sum is σ = 1339807932. Its totient is φ = 978686016.

The previous prime is 1145135309. The next prime is 1145135347. The reversal of 1145135341 is 1435315411.

It can be written as a sum of positive squares in 2 ways, for example, as 51179716 + 1093955625 = 7154^2 + 33075^2 .

It is not a de Polignac number, because 1145135341 - 25 = 1145135309 is a prime.

It is a super-2 number, since 2×11451353412 = 2622669898414372562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145135347) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1481031 + ... + 1481803.

Almost surely, 21145135341 is an apocalyptic number.

It is an amenable number.

1145135341 is a deficient number, since it is larger than the sum of its proper divisors (194672591).

1145135341 is an frugal number, since it uses more digits than its factorization.

1145135341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418 (or 1397 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 1145135341 is about 33839.8484186912. The cubic root of 1145135341 is about 1046.2101746599.

The spelling of 1145135341 in words is "one billion, one hundred forty-five million, one hundred thirty-five thousand, three hundred forty-one".

Divisors: 1 7 49 343 617 773 2401 4319 5411 30233 37877 211631 265139 476941 1481417 1855973 3338587 23370109 163590763 1145135341