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145200424 = 2320998647
BaseRepresentation
bin10001010011110…
…01010100101000
3101010012221112111
420221321110220
5244132403144
622224052104
73412116565
oct1051712450
9333187474
10145200424
1174a64256
1240764034
132410b415
14153d986c
15cb32534
hex8a79528

145200424 has 16 divisors (see below), whose sum is σ = 272412000. Its totient is φ = 72557232.

The previous prime is 145200401. The next prime is 145200463. The reversal of 145200424 is 424002541.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 145200395 and 145200404.

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, 12469 + ... + 21115.

It is an arithmetic number, because the mean of its divisors is an integer number (17025750).

Almost surely, 2145200424 is an apocalyptic number.

It is an amenable number.

145200424 is a deficient number, since it is larger than the sum of its proper divisors (127211576).

145200424 is a wasteful number, since it uses less digits than its factorization.

145200424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10752 (or 10748 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 145200424 is about 12049.9138586133. The cubic root of 145200424 is about 525.6007321525.

Adding to 145200424 its reverse (424002541), we get a palindrome (569202965).

The spelling of 145200424 in words is "one hundred forty-five million, two hundred thousand, four hundred twenty-four".

Divisors: 1 2 4 8 2099 4198 8396 8647 16792 17294 34588 69176 18150053 36300106 72600212 145200424