64149548 has 24 divisors (see below), whose sum is σ = 120691200. Its totient is φ = 29738448.

The previous prime is 64149539. The next prime is 64149559. The reversal of 64149548 is 84594146.

64149548 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 5408 + ... + 12551.

It is an arithmetic number, because the mean of its divisors is an integer number (5028800).

Almost surely, 2^64149548 is an apocalyptic number.

It is an amenable number.

64149548 is a deficient number, since it is larger than the sum of its proper divisors (56541652).

64149548 is a wasteful number, since it uses less digits than its factorization.

64149548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18029 (or 18027 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 64149548 is about 8009.3412962615. The cubic root of 64149548 is about 400.3113159764.

The spelling of 64149548 in words is "sixty-four million, one hundred forty-nine thousand, five hundred forty-eight".