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144668458 = 2116575839
BaseRepresentation
bin10001001111101…
…11011100101010
3101002012220211001
420213313130222
5244013342313
622204425214
73404442634
oct1047673452
9332186731
10144668458
1174730610
124054820a
1323c8324c
14152dba54
15ca79add
hex89f772a

144668458 has 8 divisors (see below), whose sum is σ = 236730240. Its totient is φ = 65758380.

The previous prime is 144668431. The next prime is 144668467. The reversal of 144668458 is 854866441.

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

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, 3287898 + ... + 3287941.

It is an arithmetic number, because the mean of its divisors is an integer number (29591280).

Almost surely, 2144668458 is an apocalyptic number.

144668458 is a deficient number, since it is larger than the sum of its proper divisors (92061782).

144668458 is a wasteful number, since it uses less digits than its factorization.

144668458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6575852.

The product of its digits is 737280, while the sum is 46.

The square root of 144668458 is about 12027.8201682599. The cubic root of 144668458 is about 524.9580713303.

The spelling of 144668458 in words is "one hundred forty-four million, six hundred sixty-eight thousand, four hundred fifty-eight".

Divisors: 1 2 11 22 6575839 13151678 72334229 144668458