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144275073 = 3172828923
BaseRepresentation
bin10001001100101…
…11011010000001
3101001110221012020
420212113122001
5243413300243
622152152053
73401214015
oct1046273201
9331427166
10144275073
1174491aa8
1240398629
1323b76187
1415238545
15c9ed283
hex8997681

144275073 has 8 divisors (see below), whose sum is σ = 203682528. Its totient is φ = 90525504.

The previous prime is 144275069. The next prime is 144275081. The reversal of 144275073 is 370572441.

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

It is not a de Polignac number, because 144275073 - 22 = 144275069 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144275003) 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, 1414411 + ... + 1414512.

It is an arithmetic number, because the mean of its divisors is an integer number (25460316).

Almost surely, 2144275073 is an apocalyptic number.

It is an amenable number.

144275073 is a deficient number, since it is larger than the sum of its proper divisors (59407455).

144275073 is a wasteful number, since it uses less digits than its factorization.

144275073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828943.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 144275073 is about 12011.4559067583. The cubic root of 144275073 is about 524.4818143321.

The spelling of 144275073 in words is "one hundred forty-four million, two hundred seventy-five thousand, seventy-three".

Divisors: 1 3 17 51 2828923 8486769 48091691 144275073