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144885107 = 223649709
BaseRepresentation
bin10001010001011…
…00010101110011
3101002121221000002
420220230111303
5244042310412
622213220215
73406334363
oct1050542563
9332557002
10144885107
1174869364
124063166b
132402aa43
14153569a3
15cabddc2
hex8a2c573

144885107 has 4 divisors (see below), whose sum is σ = 145535040. Its totient is φ = 144235176.

The previous prime is 144885043. The next prime is 144885109. The reversal of 144885107 is 701588441.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144885107 - 26 = 144885043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144885109) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 324632 + ... + 325077.

It is an arithmetic number, because the mean of its divisors is an integer number (36383760).

Almost surely, 2144885107 is an apocalyptic number.

144885107 is a deficient number, since it is larger than the sum of its proper divisors (649933).

144885107 is an equidigital number, since it uses as much as digits as its factorization.

144885107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649932.

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 144885107 is about 12036.8229612303. The cubic root of 144885107 is about 525.2199918549.

The spelling of 144885107 in words is "one hundred forty-four million, eight hundred eighty-five thousand, one hundred seven".

Divisors: 1 223 649709 144885107