68464153 has 2 divisors, whose sum is σ = 68464154. Its totient is φ = 68464152.

The previous prime is 68464133. The next prime is 68464177. The reversal of 68464153 is 35146486.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68359824 + 104329 = 8268^2 + 323^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68464153 is a prime.

It is not a weakly prime, because it can be changed into another prime (68464133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34232076 + 34232077.

It is an arithmetic number, because the mean of its divisors is an integer number (34232077).

Almost surely, 2^68464153 is an apocalyptic number.

It is an amenable number.

68464153 is a deficient number, since it is larger than the sum of its proper divisors (1).

68464153 is an equidigital number, since it uses as much as digits as its factorization.

68464153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 37.

The square root of 68464153 is about 8274.3067987596. The cubic root of 68464153 is about 409.0920877527.

The spelling of 68464153 in words is "sixty-eight million, four hundred sixty-four thousand, one hundred fifty-three".