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145968041 = 473105703
BaseRepresentation
bin10001011001101…
…00101110101001
3101011122221111202
420230310232221
5244331434131
622252333545
73421464542
oct1054645651
9334587452
10145968041
1175438a4a
1240a742b5
132431992b
14155594c9
15cc34bcb
hex8b34ba9

145968041 has 4 divisors (see below), whose sum is σ = 149073792. Its totient is φ = 142862292.

The previous prime is 145968029. The next prime is 145968047. The reversal of 145968041 is 140869541.

145968041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-145968041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145967986 and 145968004.

It is not an unprimeable number, because it can be changed into a prime (145968047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1552805 + ... + 1552898.

It is an arithmetic number, because the mean of its divisors is an integer number (37268448).

Almost surely, 2145968041 is an apocalyptic number.

It is an amenable number.

145968041 is a deficient number, since it is larger than the sum of its proper divisors (3105751).

145968041 is an equidigital number, since it uses as much as digits as its factorization.

145968041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105750.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 145968041 is about 12081.7234283855. The cubic root of 145968041 is about 526.5253188932.

The spelling of 145968041 in words is "one hundred forty-five million, nine hundred sixty-eight thousand, forty-one".

Divisors: 1 47 3105703 145968041