64806142 has 8 divisors (see below), whose sum is σ = 102927456. Its totient is φ = 30496992.

The previous prime is 64806113. The next prime is 64806163. The reversal of 64806142 is 24160846.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 952998 + ... + 953065.

It is an arithmetic number, because the mean of its divisors is an integer number (12865932).

Almost surely, 2^64806142 is an apocalyptic number.

64806142 is a deficient number, since it is larger than the sum of its proper divisors (38121314).

64806142 is a wasteful number, since it uses less digits than its factorization.

64806142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906082.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 64806142 is about 8050.2262080019. The cubic root of 64806142 is about 401.6724599483.

Adding to 64806142 its reverse (24160846), we get a palindrome (88966988).

The spelling of 64806142 in words is "sixty-four million, eight hundred six thousand, one hundred forty-two".