64011142 has 16 divisors (see below), whose sum is σ = 103535712. Its totient is φ = 29505600.

The previous prime is 64011119. The next prime is 64011151. The reversal of 64011142 is 24111046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34642 + ... + 36442.

It is an arithmetic number, because the mean of its divisors is an integer number (6470982).

Almost surely, 2^64011142 is an apocalyptic number.

64011142 is a deficient number, since it is larger than the sum of its proper divisors (39524570).

64011142 is a wasteful number, since it uses less digits than its factorization.

64011142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3183.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 64011142 is about 8000.6963446940. The cubic root of 64011142 is about 400.0232111531.

Adding to 64011142 its reverse (24111046), we get a palindrome (88122188).

The spelling of 64011142 in words is "sixty-four million, eleven thousand, one hundred forty-two".