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1145122202 = 27181451903
BaseRepresentation
bin100010001000001…
…0010110110011010
32221210202020100102
41010100102312122
54321122402302
6305343535402
740243243460
oct10420226632
92853666312
101145122202
11538434294
1227b5ba562
1315331bb03
14ac126830
156a7ea702
hex44412d9a

1145122202 has 16 divisors (see below), whose sum is σ = 1973916672. Its totient is φ = 488054160.

The previous prime is 1145122201. The next prime is 1145122211. The reversal of 1145122202 is 2022215411.

It is a super-2 number, since 2×11451222022 = 2622609715026657608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1145122201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223418 + ... + 228485.

It is an arithmetic number, because the mean of its divisors is an integer number (123369792).

Almost surely, 21145122202 is an apocalyptic number.

1145122202 is a deficient number, since it is larger than the sum of its proper divisors (828794470).

1145122202 is a wasteful number, since it uses less digits than its factorization.

1145122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452093.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1145122202 is about 33839.6542831040. The cubic root of 1145122202 is about 1046.2061733256.

Adding to 1145122202 its reverse (2022215411), we get a palindrome (3167337613).

The spelling of 1145122202 in words is "one billion, one hundred forty-five million, one hundred twenty-two thousand, two hundred two".

Divisors: 1 2 7 14 181 362 1267 2534 451903 903806 3163321 6326642 81794443 163588886 572561101 1145122202