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145605412 = 22191190583
BaseRepresentation
bin10001010110111…
…00001100100100
3101010222112002001
420223130030210
5244233333122
622240455044
73415424401
oct1053341444
9333875061
10145605412
1175210557
124091a484
1324220864
14154a32a8
15cbb2527
hex8adc324

145605412 has 12 divisors (see below), whose sum is σ = 256144896. Its totient is φ = 72421160.

The previous prime is 145605407. The next prime is 145605413. The reversal of 145605412 is 214506541.

It is not an unprimeable number, because it can be changed into a prime (145605413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94528 + ... + 96055.

It is an arithmetic number, because the mean of its divisors is an integer number (21345408).

Almost surely, 2145605412 is an apocalyptic number.

It is an amenable number.

145605412 is a deficient number, since it is larger than the sum of its proper divisors (110539484).

145605412 is a wasteful number, since it uses less digits than its factorization.

145605412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190778 (or 190776 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 145605412 is about 12066.7067586811. The cubic root of 145605412 is about 526.0889409954.

The spelling of 145605412 in words is "one hundred forty-five million, six hundred five thousand, four hundred twelve".

Divisors: 1 2 4 191 382 764 190583 381166 762332 36401353 72802706 145605412