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144076457 = 7191107761
BaseRepresentation
bin10001001011001…
…10111010101001
3101001002211202002
420211212322221
5243340421312
622144020345
73366425660
oct1045467251
9331084662
10144076457
1174366858
12403016b5
1323b06955
14151c5dd7
15c9ae4c2
hex8966ea9

144076457 has 8 divisors (see below), whose sum is σ = 165522432. Its totient is φ = 122846400.

The previous prime is 144076453. The next prime is 144076459. The reversal of 144076457 is 754670441.

It is a happy number.

144076457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 144076457 - 22 = 144076453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144076457.

It is not an unprimeable number, because it can be changed into a prime (144076453) 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, 52544 + ... + 55217.

It is an arithmetic number, because the mean of its divisors is an integer number (20690304).

Almost surely, 2144076457 is an apocalyptic number.

It is an amenable number.

144076457 is a deficient number, since it is larger than the sum of its proper divisors (21445975).

144076457 is a wasteful number, since it uses less digits than its factorization.

144076457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107959.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 144076457 is about 12003.1852855815. The cubic root of 144076457 is about 524.2410281808.

The spelling of 144076457 in words is "one hundred forty-four million, seventy-six thousand, four hundred fifty-seven".

Divisors: 1 7 191 1337 107761 754327 20582351 144076457