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144486475 = 527825637
BaseRepresentation
bin10001001110010…
…11000001001011
3101001212200011221
420213023001023
5243442031400
622200502511
73403054240
oct1047130113
9331780157
10144486475
1174616911
124047aa37
1323c1b473
14152915c7
15ca40c1a
hex89cb04b

144486475 has 12 divisors (see below), whose sum is σ = 204758224. Its totient is φ = 99076320.

The previous prime is 144486467. The next prime is 144486481. The reversal of 144486475 is 574684441.

It is a happy number.

It is not a de Polignac number, because 144486475 - 23 = 144486467 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 412644 + ... + 412993.

Almost surely, 2144486475 is an apocalyptic number.

144486475 is a deficient number, since it is larger than the sum of its proper divisors (60271749).

144486475 is an equidigital number, since it uses as much as digits as its factorization.

144486475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825654 (or 825649 counting only the distinct ones).

The product of its digits is 430080, while the sum is 43.

The square root of 144486475 is about 12020.2527011706. The cubic root of 144486475 is about 524.7378585481.

The spelling of 144486475 in words is "one hundred forty-four million, four hundred eighty-six thousand, four hundred seventy-five".

Divisors: 1 5 7 25 35 175 825637 4128185 5779459 20640925 28897295 144486475