64112142 has 8 divisors (see below), whose sum is σ = 128224296. Its totient is φ = 21370712.

The previous prime is 64112107. The next prime is 64112143. The reversal of 64112142 is 24121146.

It is a happy number.

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

64112142 is an admirable number.

It is a super-2 number, since 2×64112142² = 8220733503656328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64112143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5342673 + ... + 5342684.

It is an arithmetic number, because the mean of its divisors is an integer number (16028037).

Almost surely, 2^64112142 is an apocalyptic number.

64112142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64112142 is a wasteful number, since it uses less digits than its factorization.

64112142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10685362.

The product of its digits is 384, while the sum is 21.

The square root of 64112142 is about 8007.0058074164. The cubic root of 64112142 is about 400.2334928429.

Adding to 64112142 its reverse (24121146), we get a palindrome (88233288).

The spelling of 64112142 in words is "sixty-four million, one hundred twelve thousand, one hundred forty-two".