6445046154 has 32 divisors (see below), whose sum is σ = 14241744000. Its totient is φ = 1934062592.

The previous prime is 6445046149. The next prime is 6445046207. The reversal of 6445046154 is 4516405446.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1371279 + ... + 1375970.

It is an arithmetic number, because the mean of its divisors is an integer number (445054500).

Almost surely, 2^6445046154 is an apocalyptic number.

6445046154 is an abundant number, since it is smaller than the sum of its proper divisors (7796697846).

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

6445046154 is a wasteful number, since it uses less digits than its factorization.

6445046154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2747294.

The product of its (nonzero) digits is 230400, while the sum is 39.

The square root of 6445046154 is about 80281.0447988814. The cubic root of 6445046154 is about 1860.9813060979.

The spelling of 6445046154 in words is "six billion, four hundred forty-five million, forty-six thousand, one hundred fifty-four".