64546156 has 24 divisors (see below), whose sum is σ = 115640784. Its totient is φ = 31512000.

The previous prime is 64546151. The next prime is 64546159. The reversal of 64546156 is 65164546.

It is not an unprimeable number, because it can be changed into a prime (64546151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52606 + ... + 53818.

It is an arithmetic number, because the mean of its divisors is an integer number (4818366).

Almost surely, 2^64546156 is an apocalyptic number.

It is an amenable number.

64546156 is a deficient number, since it is larger than the sum of its proper divisors (51094628).

64546156 is a wasteful number, since it uses less digits than its factorization.

64546156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521 (or 1519 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 64546156 is about 8034.0622352581. The cubic root of 64546156 is about 401.1346036435.

The spelling of 64546156 in words is "sixty-four million, five hundred forty-six thousand, one hundred fifty-six".