64854142 has 8 divisors (see below), whose sum is σ = 97333632. Its totient is φ = 32409600.

The previous prime is 64854109. The next prime is 64854143. The reversal of 64854142 is 24145846.

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

It is a junction number, because it is equal to n+sod(n) for n = 64854098 and 64854107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64854143) 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 3 ways as a sum of consecutive naturals, for example, 3459 + ... + 11902.

It is an arithmetic number, because the mean of its divisors is an integer number (12166704).

Almost surely, 2^64854142 is an apocalyptic number.

64854142 is a deficient number, since it is larger than the sum of its proper divisors (32479490).

64854142 is a wasteful number, since it uses less digits than its factorization.

64854142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17474.

The product of its digits is 30720, while the sum is 34.

The square root of 64854142 is about 8053.2069388536. The cubic root of 64854142 is about 401.7716044601.

Adding to 64854142 its reverse (24145846), we get a palindrome (88999988).

The spelling of 64854142 in words is "sixty-four million, eight hundred fifty-four thousand, one hundred forty-two".