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144906996 = 223131948889
BaseRepresentation
bin10001010001100…
…01101011110100
3101002200001000210
420220301223310
5244044010441
622213505420
73406455243
oct1050615364
9332601023
10144906996
1174883853
1240642270
13240379b0
141536095a
15cac5616
hex8a31af4

144906996 has 48 divisors (see below), whose sum is σ = 383297600. Its totient is φ = 42239232.

The previous prime is 144906991. The next prime is 144907013. The reversal of 144906996 is 699609441.

144906996 = T1515 + T1516 + ... + T1631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144906991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21481 + ... + 27408.

Almost surely, 2144906996 is an apocalyptic number.

It is an amenable number.

144906996 is an abundant number, since it is smaller than the sum of its proper divisors (238390604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144906996 is a wasteful number, since it uses less digits than its factorization.

144906996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48928 (or 48926 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 144906996 is about 12037.7321784462. The cubic root of 144906996 is about 525.2464403094.

The spelling of 144906996 in words is "one hundred forty-four million, nine hundred six thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 12 13 19 26 38 39 52 57 76 78 114 156 228 247 494 741 988 1482 2964 48889 97778 146667 195556 293334 586668 635557 928891 1271114 1857782 1906671 2542228 2786673 3715564 3813342 5573346 7626684 11146692 12075583 24151166 36226749 48302332 72453498 144906996