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145520354 = 27191972777
BaseRepresentation
bin10001010110001…
…11011011100010
3101010211012101202
420223013123202
5244223122404
622235001202
73414621410
oct1053073342
9333735352
10145520354
1175162661
1240899202
13241c0c25
14154802b0
15cb9721e
hex8ac76e2

145520354 has 32 divisors (see below), whose sum is σ = 264021120. Its totient is φ = 58762368.

The previous prime is 145520327. The next prime is 145520387. The reversal of 145520354 is 453025541.

145520354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 51014 + ... + 53790.

It is an arithmetic number, because the mean of its divisors is an integer number (8250660).

Almost surely, 2145520354 is an apocalyptic number.

145520354 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145520354 is a deficient number, since it is larger than the sum of its proper divisors (118500766).

145520354 is a wasteful number, since it uses less digits than its factorization.

145520354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 145520354 is about 12063.1817527550. The cubic root of 145520354 is about 525.9864796266.

Adding to 145520354 its reverse (453025541), we get a palindrome (598545895).

The spelling of 145520354 in words is "one hundred forty-five million, five hundred twenty thousand, three hundred fifty-four".

Divisors: 1 2 7 14 19 38 133 197 266 394 1379 2758 2777 3743 5554 7486 19439 26201 38878 52402 52763 105526 369341 547069 738682 1094138 3829483 7658966 10394311 20788622 72760177 145520354