68152145 has 16 divisors (see below), whose sum is σ = 86499840. Its totient is φ = 51404544.

The previous prime is 68152129. The next prime is 68152163. The reversal of 68152145 is 54125186.

It is a cyclic number.

It is not a de Polignac number, because 68152145 - 2⁴ = 68152129 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19577 + ... + 22793.

It is an arithmetic number, because the mean of its divisors is an integer number (5406240).

Almost surely, 2^68152145 is an apocalyptic number.

It is an amenable number.

68152145 is a deficient number, since it is larger than the sum of its proper divisors (18347695).

68152145 is a wasteful number, since it uses less digits than its factorization.

68152145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3464.

The product of its digits is 9600, while the sum is 32.

The square root of 68152145 is about 8255.4312425215. The cubic root of 68152145 is about 408.4696968783.

The spelling of 68152145 in words is "sixty-eight million, one hundred fifty-two thousand, one hundred forty-five".