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145135545234 = 23431633451171
BaseRepresentation
bin1000011100101011000…
…0001010101110010010
3111212121202010121102020
42013022300022232102
54334214144421414
6150401354232310
713325410531251
oct2071260125622
9455552117366
10145135545234
11566082602a9
1224165725696
13108bc82b364
14704b6d4798
153b969ee7a9
hex21cac0ab92

145135545234 has 32 divisors (see below), whose sum is σ = 298843885824. Its totient is φ = 46963521360.

The previous prime is 145135545229. The next prime is 145135545259. The reversal of 145135545234 is 432545531541.

It is a super-2 number, since 2×1451355452342 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1683532 + ... + 1767639.

It is an arithmetic number, because the mean of its divisors is an integer number (9338871432).

Almost surely, 2145135545234 is an apocalyptic number.

145135545234 is an abundant number, since it is smaller than the sum of its proper divisors (153708340590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145135545234 is a wasteful number, since it uses less digits than its factorization.

145135545234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3451382.

The product of its digits is 720000, while the sum is 42.

The spelling of 145135545234 in words is "one hundred forty-five billion, one hundred thirty-five million, five hundred forty-five thousand, two hundred thirty-four".

Divisors: 1 2 3 6 43 86 129 163 258 326 489 978 7009 14018 21027 42054 3451171 6902342 10353513 20707026 148400353 296800706 445201059 562540873 890402118 1125081746 1687622619 3375245238 24189257539 48378515078 72567772617 145135545234