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144366437 = 2943115771
BaseRepresentation
bin10001001101011…
…01101101100101
3101001122120112002
420212231231211
5243424211222
622154135045
73402044255
oct1046555545
9331576462
10144366437
1174544706
1240421485
1323ba8937
141525d965
15ca1a392
hex89adb65

144366437 has 8 divisors (see below), whose sum is σ = 152819040. Its totient is φ = 136145520.

The previous prime is 144366421. The next prime is 144366449. The reversal of 144366437 is 734663441.

It is a happy number.

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 144366437 - 24 = 144366421 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 144366437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144366457) 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, 56639 + ... + 59132.

It is an arithmetic number, because the mean of its divisors is an integer number (19102380).

Almost surely, 2144366437 is an apocalyptic number.

It is an amenable number.

144366437 is a deficient number, since it is larger than the sum of its proper divisors (8452603).

144366437 is a wasteful number, since it uses less digits than its factorization.

144366437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115843.

The product of its digits is 145152, while the sum is 38.

The square root of 144366437 is about 12015.2585074146. The cubic root of 144366437 is about 524.5925025334.

The spelling of 144366437 in words is "one hundred forty-four million, three hundred sixty-six thousand, four hundred thirty-seven".

Divisors: 1 29 43 1247 115771 3357359 4978153 144366437