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144006025 = 5229307647
BaseRepresentation
bin10001001010101…
…01101110001001
3101000222021010111
420211111232021
5243331143100
622142314321
73366013432
oct1045255611
9330867114
10144006025
1174318949
12402889a1
1323ab0887
14151a8489
15c9986ba
hex8955b89

144006025 has 24 divisors (see below), whose sum is σ = 185613120. Its totient is φ = 110698560.

The previous prime is 144006007. The next prime is 144006053. The reversal of 144006025 is 520600441.

It is not a de Polignac number, because 144006025 - 25 = 144005993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144005987 and 144006005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 222252 + ... + 222898.

It is an arithmetic number, because the mean of its divisors is an integer number (7733880).

Almost surely, 2144006025 is an apocalyptic number.

It is an amenable number.

144006025 is a deficient number, since it is larger than the sum of its proper divisors (41607095).

144006025 is a wasteful number, since it uses less digits than its factorization.

144006025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 144006025 is about 12000.2510390408. The cubic root of 144006025 is about 524.1555889097.

Adding to 144006025 its reverse (520600441), we get a palindrome (664606466).

The spelling of 144006025 in words is "one hundred forty-four million, six thousand, twenty-five".

Divisors: 1 5 25 29 145 307 647 725 1535 3235 7675 8903 16175 18763 44515 93815 198629 222575 469075 993145 4965725 5760241 28801205 144006025