64206142 has 48 divisors (see below), whose sum is σ = 130073472. Its totient is φ = 23081760.

The previous prime is 64206139. The next prime is 64206151. The reversal of 64206142 is 24160246.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 24793 + ... + 27259.

It is an arithmetic number, because the mean of its divisors is an integer number (2709864).

Almost surely, 2^64206142 is an apocalyptic number.

64206142 is an abundant number, since it is smaller than the sum of its proper divisors (65867330).

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

64206142 is a wasteful number, since it uses less digits than its factorization.

64206142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513 (or 2500 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 64206142 is about 8012.8735170349. The cubic root of 64206142 is about 400.4290022282.

Adding to 64206142 its reverse (24160246), we get a palindrome (88366388).

It can be divided in two parts, 6420 and 6142, that multiplied together give a triangular number (39431640 = T₈₈₈₀).

The spelling of 64206142 in words is "sixty-four million, two hundred six thousand, one hundred forty-two".