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144508319 = 1946316427
BaseRepresentation
bin10001001110100…
…00010110011111
3101001220210010222
420213100112133
5243443231234
622201151555
73403205024
oct1047202637
9331823128
10144508319
117463126a
124048b5bb
1323c283a7
141529954b
15ca4742e
hex89d059f

144508319 has 8 divisors (see below), whose sum is σ = 152451840. Its totient is φ = 136598616.

The previous prime is 144508307. The next prime is 144508339. The reversal of 144508319 is 913805441.

144508319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 144508319 - 24 = 144508303 is a prime.

It is a super-2 number, since 2×1445083192 = 41765308520411522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144508339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584 + ... + 17010.

It is an arithmetic number, because the mean of its divisors is an integer number (19056480).

Almost surely, 2144508319 is an apocalyptic number.

144508319 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

144508319 is a deficient number, since it is larger than the sum of its proper divisors (7943521).

144508319 is a wasteful number, since it uses less digits than its factorization.

144508319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16909.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 144508319 is about 12021.1612999743. The cubic root of 144508319 is about 524.7643011527.

The spelling of 144508319 in words is "one hundred forty-four million, five hundred eight thousand, three hundred nineteen".

Divisors: 1 19 463 8797 16427 312113 7605701 144508319