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145542054 = 2372495041
BaseRepresentation
bin10001010110011…
…00101110100110
3101010212022011110
420223030232212
5244224321204
622235245450
73415041600
oct1053145646
9333768143
10145542054
1175177999
12408a9886
13241caa78
1415488170
15cb9d889
hex8accba6

145542054 has 24 divisors (see below), whose sum is σ = 338608728. Its totient is φ = 41583360.

The previous prime is 145542041. The next prime is 145542073. The reversal of 145542054 is 450245541.

145542054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247227 + ... + 247814.

It is an arithmetic number, because the mean of its divisors is an integer number (14108697).

Almost surely, 2145542054 is an apocalyptic number.

145542054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145542054 is an abundant number, since it is smaller than the sum of its proper divisors (193066674).

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

145542054 is a wasteful number, since it uses less digits than its factorization.

145542054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495060 (or 495053 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 145542054 is about 12064.0811502576. The cubic root of 145542054 is about 526.0126233676.

Adding to 145542054 its reverse (450245541), we get a palindrome (595787595).

The spelling of 145542054 in words is "one hundred forty-five million, five hundred forty-two thousand, fifty-four".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 495041 990082 1485123 2970246 3465287 6930574 10395861 20791722 24257009 48514018 72771027 145542054