64835142 has 32 divisors (see below), whose sum is σ = 134407680. Its totient is φ = 20835360.

The previous prime is 64835129. The next prime is 64835179. The reversal of 64835142 is 24153846.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18792 + ... + 21972.

It is an arithmetic number, because the mean of its divisors is an integer number (4200240).

Almost surely, 2^64835142 is an apocalyptic number.

64835142 is an abundant number, since it is smaller than the sum of its proper divisors (69572538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64835142 is a wasteful number, since it uses less digits than its factorization.

64835142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308.

The product of its digits is 23040, while the sum is 33.

The square root of 64835142 is about 8052.0271981657. The cubic root of 64835142 is about 401.7323656089.

Adding to 64835142 its reverse (24153846), we get a palindrome (88988988).

The spelling of 64835142 in words is "sixty-four million, eight hundred thirty-five thousand, one hundred forty-two".