64142132 has 12 divisors (see below), whose sum is σ = 112305060. Its totient is φ = 32054976.

The previous prime is 64142129. The next prime is 64142149. The reversal of 64142132 is 23124146.

It can be written as a sum of positive squares in 2 ways, for example, as 3083536 + 61058596 = 1756^2 + 7814^2 .

It is a super-2 number, since 2×64142132² = 8228426195010848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64142098 and 64142107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12344 + ... + 16752.

It is an arithmetic number, because the mean of its divisors is an integer number (9358755).

Almost surely, 2^64142132 is an apocalyptic number.

It is an amenable number.

64142132 is a deficient number, since it is larger than the sum of its proper divisors (48162928).

64142132 is a wasteful number, since it uses less digits than its factorization.

64142132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8050 (or 8048 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 64142132 is about 8008.8783234608. The cubic root of 64142132 is about 400.2958894030.

Adding to 64142132 its reverse (23124146), we get a palindrome (87266278).

The spelling of 64142132 in words is "sixty-four million, one hundred forty-two thousand, one hundred thirty-two".