68244345 has 24 divisors (see below), whose sum is σ = 127390536. Its totient is φ = 33596928.

The previous prime is 68244331. The next prime is 68244359. The reversal of 68244345 is 54344286.

It is an interprime number because it is at equal distance from previous prime (68244331) and next prime (68244359).

It can be written as a sum of positive squares in 4 ways, for example, as 4372281 + 63872064 = 2091^2 + 7992^2 .

It is not a de Polignac number, because 68244345 - 2⁵ = 68244313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57744 + ... + 58913.

It is an arithmetic number, because the mean of its divisors is an integer number (5307939).

Almost surely, 2^68244345 is an apocalyptic number.

68244345 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

68244345 is a deficient number, since it is larger than the sum of its proper divisors (59146191).

68244345 is a wasteful number, since it uses less digits than its factorization.

68244345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116681 (or 116678 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 68244345 is about 8261.0135576695. The cubic root of 68244345 is about 408.6538140255.

The spelling of 68244345 in words is "sixty-eight million, two hundred forty-four thousand, three hundred forty-five".