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144601972 = 22112332191
BaseRepresentation
bin10001001111001…
…11001101110100
3101002002112121121
420213213031310
5244004230342
622203153324
73404045044
oct1047471564
9332075547
10144601972
1174695669
1240515844
1323c5bbc8
14152c1724
15ca65067
hex89e7374

144601972 has 12 divisors (see below), whose sum is σ = 253286656. Its totient is φ = 72234360.

The previous prime is 144601921. The next prime is 144601981. The reversal of 144601972 is 279106441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11604 + ... + 20587.

Almost surely, 2144601972 is an apocalyptic number.

It is an amenable number.

144601972 is a deficient number, since it is larger than the sum of its proper divisors (108684684).

144601972 is a wasteful number, since it uses less digits than its factorization.

144601972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33318 (or 33316 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 144601972 is about 12025.0560081856. The cubic root of 144601972 is about 524.8776398136.

The spelling of 144601972 in words is "one hundred forty-four million, six hundred one thousand, nine hundred seventy-two".

Divisors: 1 2 4 1123 2246 4492 32191 64382 128764 36150493 72300986 144601972