64540153 has 8 divisors (see below), whose sum is σ = 65424672. Its totient is φ = 63661056.

The previous prime is 64540141. The next prime is 64540181. The reversal of 64540153 is 35104546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64540153 - 2⁹ = 64539641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64540123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26326 + ... + 28672.

It is an arithmetic number, because the mean of its divisors is an integer number (8178084).

Almost surely, 2^64540153 is an apocalyptic number.

It is an amenable number.

64540153 is a deficient number, since it is larger than the sum of its proper divisors (884519).

64540153 is a wasteful number, since it uses less digits than its factorization.

64540153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 64540153 is about 8033.6886297640. The cubic root of 64540153 is about 401.1221676554.

Adding to 64540153 its reverse (35104546), we get a palindrome (99644699).

The spelling of 64540153 in words is "sixty-four million, five hundred forty thousand, one hundred fifty-three".