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145888857436 = 2275210316337
BaseRepresentation
bin1000011111011110100…
…1110100110101011100
3111221120020121211111011
42013313221310311130
54342240021414221
6151004224305004
713353155553610
oct2076751646534
9457506554434
10145888857436
1156964502973
1224335a72164
13109ac91561a
1470bd789340
153bdcc031e1
hex21f7a74d5c

145888857436 has 12 divisors (see below), whose sum is σ = 291777714928. Its totient is φ = 62523796032.

The previous prime is 145888857409. The next prime is 145888857451. The reversal of 145888857436 is 634758888541.

145888857436 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2605158141 + ... + 2605158196.

Almost surely, 2145888857436 is an apocalyptic number.

It is an amenable number.

145888857436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145888857436 is a wasteful number, since it uses less digits than its factorization.

145888857436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5210316348 (or 5210316346 counting only the distinct ones).

The product of its digits is 206438400, while the sum is 67.

The spelling of 145888857436 in words is "one hundred forty-five billion, eight hundred eighty-eight million, eight hundred fifty-seven thousand, four hundred thirty-six".

Divisors: 1 2 4 7 14 28 5210316337 10420632674 20841265348 36472214359 72944428718 145888857436