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144857483 = 633722859
BaseRepresentation
bin10001010001001…
…01100110001011
3101002120112002222
420220211212023
5244040414413
622212444255
73406161011
oct1050454613
9332515088
10144857483
117484a631
124061968b
132401b2b4
141534a8b1
15cab5b08
hex8a2598b

144857483 has 4 divisors (see below), whose sum is σ = 144886680. Its totient is φ = 144828288.

The previous prime is 144857441. The next prime is 144857521. The reversal of 144857483 is 384758441.

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 144857483 - 222 = 140663179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144857413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5093 + ... + 17766.

It is an arithmetic number, because the mean of its divisors is an integer number (36221670).

Almost surely, 2144857483 is an apocalyptic number.

144857483 is a deficient number, since it is larger than the sum of its proper divisors (29197).

144857483 is an equidigital number, since it uses as much as digits as its factorization.

144857483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29196.

The product of its digits is 430080, while the sum is 44.

The square root of 144857483 is about 12035.6754276609. The cubic root of 144857483 is about 525.1866100037.

The spelling of 144857483 in words is "one hundred forty-four million, eight hundred fifty-seven thousand, four hundred eighty-three".

Divisors: 1 6337 22859 144857483