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144015937 = 1361181609
BaseRepresentation
bin10001001010110…
…00001001000001
3101000222202201121
420211120021001
5243332002222
622142432241
73366054352
oct1045301101
9330882647
10144015937
117432533a
1240292681
1323ab5240
14151abd29
15c99b5c7
hex8958241

144015937 has 8 divisors (see below), whose sum is σ = 157637480. Its totient is φ = 130757760.

The previous prime is 144015929. The next prime is 144015961. The reversal of 144015937 is 739510441.

It can be written as a sum of positive squares in 4 ways, for example, as 591361 + 143424576 = 769^2 + 11976^2 .

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 144015937 - 23 = 144015929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144015917) 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, 90012 + ... + 91597.

It is an arithmetic number, because the mean of its divisors is an integer number (19704685).

Almost surely, 2144015937 is an apocalyptic number.

It is an amenable number.

144015937 is a deficient number, since it is larger than the sum of its proper divisors (13621543).

144015937 is a wasteful number, since it uses less digits than its factorization.

144015937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181683.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 144015937 is about 12000.6640232947. The cubic root of 144015937 is about 524.1676145894.

The spelling of 144015937 in words is "one hundred forty-four million, fifteen thousand, nine hundred thirty-seven".

Divisors: 1 13 61 793 181609 2360917 11078149 144015937