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144055757 = 597333331
BaseRepresentation
bin10001001011000…
…01110111001101
3101001001210100102
420211201313031
5243334241012
622143340445
73366311426
oct1045416715
9331053312
10144055757
117435224a
12402b1725
1323aca3c1
14151bc64d
15c9a82c2
hex8961dcd

144055757 has 8 divisors (see below), whose sum is σ = 146741280. Its totient is φ = 141378480.

The previous prime is 144055753. The next prime is 144055781. The reversal of 144055757 is 757550441.

144055757 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 144055757 - 22 = 144055753 is a prime.

It is a super-2 number, since 2×1440557572 = 41504122249686098, which contains 22 as substring.

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 144055757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144055753) 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, 41582 + ... + 44912.

It is an arithmetic number, because the mean of its divisors is an integer number (18342660).

Almost surely, 2144055757 is an apocalyptic number.

It is an amenable number.

144055757 is a deficient number, since it is larger than the sum of its proper divisors (2685523).

144055757 is an equidigital number, since it uses as much as digits as its factorization.

144055757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4123.

The product of its (nonzero) digits is 98000, while the sum is 38.

The square root of 144055757 is about 12002.3229834895. The cubic root of 144055757 is about 524.2159204261.

The spelling of 144055757 in words is "one hundred forty-four million, fifty-five thousand, seven hundred fifty-seven".

Divisors: 1 59 733 3331 43247 196529 2441623 144055757