68444154 has 24 divisors (see below), whose sum is σ = 152305140. Its totient is φ = 22197888.

The previous prime is 68444149. The next prime is 68444177. The reversal of 68444154 is 45144486.

It is a happy number.

68444154 is a `hidden beast` number, since 68 + 444 + 154 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 63920025 + 4524129 = 7995^2 + 2127^2 .

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50719 + ... + 52050.

Almost surely, 2^68444154 is an apocalyptic number.

68444154 is an abundant number, since it is smaller than the sum of its proper divisors (83860986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68444154 is a wasteful number, since it uses less digits than its factorization.

68444154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102814 (or 102811 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 68444154 is about 8273.0982104650. The cubic root of 68444154 is about 409.0522507039.

The spelling of 68444154 in words is "sixty-eight million, four hundred forty-four thousand, one hundred fifty-four".