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144536542 = 2193374447
BaseRepresentation
bin10001001110101…
…11001111011110
3101001222012212021
420213113033132
5244000132132
622201530354
73403353223
oct1047271736
9331865767
10144536542
1174650497
12404a39ba
1323c381a7
14152a594a
15ca50997
hex89d73de

144536542 has 8 divisors (see below), whose sum is σ = 217928736. Its totient is φ = 71893632.

The previous prime is 144536537. The next prime is 144536573. The reversal of 144536542 is 245635441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 144536498 and 144536507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186838 + ... + 187609.

It is an arithmetic number, because the mean of its divisors is an integer number (27241092).

Almost surely, 2144536542 is an apocalyptic number.

144536542 is a deficient number, since it is larger than the sum of its proper divisors (73392194).

144536542 is a wasteful number, since it uses less digits than its factorization.

144536542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374642.

The product of its digits is 57600, while the sum is 34.

The square root of 144536542 is about 12022.3351309136. The cubic root of 144536542 is about 524.7984617207.

The spelling of 144536542 in words is "one hundred forty-four million, five hundred thirty-six thousand, five hundred forty-two".

Divisors: 1 2 193 386 374447 748894 72268271 144536542