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144619485 = 359641299
BaseRepresentation
bin10001001111010…
…11011111011101
3101002010102122020
420213223133131
5244010310420
622203410353
73404150103
oct1047533735
9332112566
10144619485
11746a783a
12405239b9
1323c66b7a
14152c7c73
15ca6a340
hex89eb7dd

144619485 has 8 divisors (see below), whose sum is σ = 231391200. Its totient is φ = 77130384.

The previous prime is 144619481. The next prime is 144619487. The reversal of 144619485 is 584916441.

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

It is not a de Polignac number, because 144619485 - 22 = 144619481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144619481) 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, 4820635 + ... + 4820664.

It is an arithmetic number, because the mean of its divisors is an integer number (28923900).

Almost surely, 2144619485 is an apocalyptic number.

144619485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144619485 is a deficient number, since it is larger than the sum of its proper divisors (86771715).

144619485 is an equidigital number, since it uses as much as digits as its factorization.

144619485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9641307.

The product of its digits is 138240, while the sum is 42.

The square root of 144619485 is about 12025.7841740154. The cubic root of 144619485 is about 524.8988285773.

The spelling of 144619485 in words is "one hundred forty-four million, six hundred nineteen thousand, four hundred eighty-five".

Divisors: 1 3 5 15 9641299 28923897 48206495 144619485