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144018677 = 1121190237
BaseRepresentation
bin10001001010110…
…00110011110101
3101000222220111002
420211120303311
5243332044202
622142453045
73366065345
oct1045306365
9330886432
10144018677
1174327400
1240294185
1323ab656a
14151acd25
15c99c302
hex8958cf5

144018677 has 6 divisors (see below), whose sum is σ = 158301654. Its totient is φ = 130925960.

The previous prime is 144018673. The next prime is 144018701. The reversal of 144018677 is 776810441.

144018677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 136212241 + 7806436 = 11671^2 + 2794^2 .

It is not a de Polignac number, because 144018677 - 22 = 144018673 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 144018677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144018673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 594998 + ... + 595239.

It is an arithmetic number, because the mean of its divisors is an integer number (26383609).

Almost surely, 2144018677 is an apocalyptic number.

It is an amenable number.

144018677 is a deficient number, since it is larger than the sum of its proper divisors (14282977).

144018677 is a wasteful number, since it uses less digits than its factorization.

144018677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190259 (or 1190248 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 144018677 is about 12000.7781831013. The cubic root of 144018677 is about 524.1709387820.

The spelling of 144018677 in words is "one hundred forty-four million, eighteen thousand, six hundred seventy-seven".

Divisors: 1 11 121 1190237 13092607 144018677