68330145 has 16 divisors (see below), whose sum is σ = 117738432. Its totient is φ = 33639360.

The previous prime is 68330113. The next prime is 68330147. The reversal of 68330145 is 54103386.

It is not a de Polignac number, because 68330145 - 2⁵ = 68330113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68330147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175011 + ... + 175400.

It is an arithmetic number, because the mean of its divisors is an integer number (7358652).

Almost surely, 2^68330145 is an apocalyptic number.

68330145 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

68330145 is a deficient number, since it is larger than the sum of its proper divisors (49408287).

68330145 is a wasteful number, since it uses less digits than its factorization.

68330145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350432.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 68330145 is about 8266.2049938288. The cubic root of 68330145 is about 408.8250019016.

The spelling of 68330145 in words is "sixty-eight million, three hundred thirty thousand, one hundred forty-five".