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144448355 = 5191520509
BaseRepresentation
bin10001001110000…
…01101101100011
3101001210201220002
420213001231203
5243434321410
622200010215
73402535142
oct1047015543
9331721802
10144448355
11745a0207
124046096b
1323c06ccc
1415281759
15ca347a5
hex89c1b63

144448355 has 8 divisors (see below), whose sum is σ = 182461200. Its totient is φ = 109476576.

The previous prime is 144448327. The next prime is 144448361. The reversal of 144448355 is 553844441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144448355 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 760160 + ... + 760349.

It is an arithmetic number, because the mean of its divisors is an integer number (22807650).

Almost surely, 2144448355 is an apocalyptic number.

144448355 is a deficient number, since it is larger than the sum of its proper divisors (38012845).

144448355 is a wasteful number, since it uses less digits than its factorization.

144448355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520533.

The product of its digits is 153600, while the sum is 38.

The square root of 144448355 is about 12018.6669393906. Note that the first 3 decimals coincide. The cubic root of 144448355 is about 524.6917071313.

The spelling of 144448355 in words is "one hundred forty-four million, four hundred forty-eight thousand, three hundred fifty-five".

Divisors: 1 5 19 95 1520509 7602545 28889671 144448355