64154242 has 8 divisors (see below), whose sum is σ = 97667856. Its totient is φ = 31598292.

The previous prime is 64154231. The next prime is 64154257. The reversal of 64154242 is 24245146.

64154242 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 a self number, because there is not a number n which added to its sum of digits gives 64154242.

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 3 ways as a sum of consecutive naturals, for example, 239248 + ... + 239515.

It is an arithmetic number, because the mean of its divisors is an integer number (12208482).

Almost surely, 2^64154242 is an apocalyptic number.

64154242 is a deficient number, since it is larger than the sum of its proper divisors (33513614).

64154242 is a wasteful number, since it uses less digits than its factorization.

64154242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478832.

The product of its digits is 7680, while the sum is 28.

The square root of 64154242 is about 8009.6343237379. The cubic root of 64154242 is about 400.3210797006.

Adding to 64154242 its reverse (24245146), we get a palindrome (88399388).

The spelling of 64154242 in words is "sixty-four million, one hundred fifty-four thousand, two hundred forty-two".