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144162629 = 1311089433
BaseRepresentation
bin10001001011110…
…11111101000101
3101001021012221122
420211323331011
5243401201004
622145523325
73400235132
oct1045737505
9331235848
10144162629
1174415576
1240343545
1323b36c40
1415209589
15c9c9cbe
hex897bf45

144162629 has 4 divisors (see below), whose sum is σ = 155252076. Its totient is φ = 133073184.

The previous prime is 144162607. The next prime is 144162647. The reversal of 144162629 is 926261441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59706529 + 84456100 = 7727^2 + 9190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144162629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144162829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5544704 + ... + 5544729.

It is an arithmetic number, because the mean of its divisors is an integer number (38813019).

Almost surely, 2144162629 is an apocalyptic number.

It is an amenable number.

144162629 is a deficient number, since it is larger than the sum of its proper divisors (11089447).

144162629 is a wasteful number, since it uses less digits than its factorization.

144162629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11089446.

The product of its digits is 20736, while the sum is 35.

The square root of 144162629 is about 12006.7742962046. The cubic root of 144162629 is about 524.3455233807.

The spelling of 144162629 in words is "one hundred forty-four million, one hundred sixty-two thousand, six hundred twenty-nine".

Divisors: 1 13 11089433 144162629