145637 has 2 divisors, whose sum is σ = 145638. Its totient is φ = 145636.
The previous prime is 145633. The next prime is 145643. The reversal of 145637 is 736541.
145637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
145637 is an esthetic number in base 8, because in such base its adjacent digits differ by 1.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 119716 + 25921 = 346^2 + 161^2 .
It is a cyclic number.
It is not a de Polignac number, because 145637 - 22 = 145633 is a prime.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 145637.
It is not a weakly prime, because it can be changed into another prime (145633) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72818 + 72819.
It is an arithmetic number, because the mean of its divisors is an integer number (72819).
2145637 is an apocalyptic number.
It is an amenable number.
145637 is a deficient number, since it is larger than the sum of its proper divisors (1).
145637 is an equidigital number, since it uses as much as digits as its factorization.
145637 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2520, while the sum is 26.
The square root of 145637 is about 381.6241606607. The cubic root of 145637 is about 52.6126981925.
The spelling of 145637 in words is "one hundred forty-five thousand, six hundred thirty-seven".
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