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144985651 is a prime number
BaseRepresentation
bin10001010010001…
…00111000110011
3101002211000220221
420221010320303
5244104020101
622215313511
73410233456
oct1051047063
9332730827
10144985651
1174927958
124067b897
1324064735
141538149d
15caddaa1
hex8a44e33

144985651 has 2 divisors, whose sum is σ = 144985652. Its totient is φ = 144985650.

The previous prime is 144985649. The next prime is 144985657. The reversal of 144985651 is 156589441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144985651 - 21 = 144985649 is a prime.

Together with 144985649, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 144985598 and 144985607.

It is not a weakly prime, because it can be changed into another prime (144985657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72492825 + 72492826.

It is an arithmetic number, because the mean of its divisors is an integer number (72492826).

Almost surely, 2144985651 is an apocalyptic number.

144985651 is a deficient number, since it is larger than the sum of its proper divisors (1).

144985651 is an equidigital number, since it uses as much as digits as its factorization.

144985651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 43.

The square root of 144985651 is about 12040.9987542562. The cubic root of 144985651 is about 525.3414570840.

The spelling of 144985651 in words is "one hundred forty-four million, nine hundred eighty-five thousand, six hundred fifty-one".