64239153 has 8 divisors (see below), whose sum is σ = 93438816. Its totient is φ = 38932800.

The previous prime is 64239151. The next prime is 64239157. The reversal of 64239153 is 35193246.

64239153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 64239153 - 2¹ = 64239151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1946641 = 64239153 / (6 + 4 + 2 + 3 + 9 + 1 + 5 + 3).

It is not an unprimeable number, because it can be changed into a prime (64239151) by changing a digit.

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, 973288 + ... + 973353.

It is an arithmetic number, because the mean of its divisors is an integer number (11679852).

Almost surely, 2^64239153 is an apocalyptic number.

It is an amenable number.

64239153 is a deficient number, since it is larger than the sum of its proper divisors (29199663).

64239153 is a wasteful number, since it uses less digits than its factorization.

64239153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946655.

The product of its digits is 19440, while the sum is 33.

The square root of 64239153 is about 8014.9331251109. The cubic root of 64239153 is about 400.4976161055.

It can be divided in two parts, 6423 and 9153, that added together give a triangular number (15576 = T₁₇₆).

The spelling of 64239153 in words is "sixty-four million, two hundred thirty-nine thousand, one hundred fifty-three".