64142184 has 32 divisors (see below), whose sum is σ = 160943040. Its totient is φ = 21302400.

The previous prime is 64142179. The next prime is 64142189. The reversal of 64142184 is 48124146.

It is an interprime number because it is at equal distance from previous prime (64142179) and next prime (64142189).

It is a super-2 number, since 2×64142184² = 8228439536579712, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (64142189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1989 + ... + 11499.

It is an arithmetic number, because the mean of its divisors is an integer number (5029470).

Almost surely, 2^64142184 is an apocalyptic number.

It is an amenable number.

64142184 is an abundant number, since it is smaller than the sum of its proper divisors (96800856).

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

64142184 is a wasteful number, since it uses less digits than its factorization.

64142184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9801 (or 9797 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 64142184 is about 8008.8815698573. The cubic root of 64142184 is about 400.2959975762.

The spelling of 64142184 in words is "sixty-four million, one hundred forty-two thousand, one hundred eighty-four".