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144706425 = 3524147059
BaseRepresentation
bin10001010000000…
…00101101111001
3101002021211220020
420220000231321
5244021101200
622205321053
73404661423
oct1050005571
9332254806
10144706425
1174757096
1240566189
1323c97606
141530b813
15ca85ea0
hex8a00b79

144706425 has 24 divisors (see below), whose sum is σ = 245088480. Its totient is φ = 75292800.

The previous prime is 144706417. The next prime is 144706427. The reversal of 144706425 is 524607441.

It is not a de Polignac number, because 144706425 - 23 = 144706417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144706427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20455 + ... + 26604.

It is an arithmetic number, because the mean of its divisors is an integer number (10212020).

Almost surely, 2144706425 is an apocalyptic number.

144706425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144706425 is a deficient number, since it is larger than the sum of its proper divisors (100382055).

144706425 is a wasteful number, since it uses less digits than its factorization.

144706425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47113 (or 47108 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 144706425 is about 12029.3983640081. The cubic root of 144706425 is about 525.0039908994.

The spelling of 144706425 in words is "one hundred forty-four million, seven hundred six thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 41 75 123 205 615 1025 3075 47059 141177 235295 705885 1176475 1929419 3529425 5788257 9647095 28941285 48235475 144706425