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144641157523 = 4311759190787
BaseRepresentation
bin1000011010110101001…
…0001110100110010011
3111211100021212002222021
42012231102032212103
54332211114020043
6150240333552311
713310225360542
oct2065522164623
9454307762867
10144641157523
1156384187515
1224048045697
131084128c955
147001ba0159
153b683e43ed
hex21ad48e993

144641157523 has 8 divisors (see below), whose sum is σ = 145059932160. Its totient is φ = 144222768840.

The previous prime is 144641157503. The next prime is 144641157553. The reversal of 144641157523 is 325751146441.

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 144641157523 - 229 = 144104286611 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 144641157523.

It is not an unprimeable number, because it can be changed into a prime (144641157503) 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, 662736 + ... + 853522.

It is an arithmetic number, because the mean of its divisors is an integer number (18132491520).

Almost surely, 2144641157523 is an apocalyptic number.

144641157523 is a deficient number, since it is larger than the sum of its proper divisors (418774637).

144641157523 is a wasteful number, since it uses less digits than its factorization.

144641157523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192977.

The product of its digits is 403200, while the sum is 43.

The spelling of 144641157523 in words is "one hundred forty-four billion, six hundred forty-one million, one hundred fifty-seven thousand, five hundred twenty-three".

Divisors: 1 431 1759 190787 758129 82229197 335594333 144641157523