64142330 has 16 divisors (see below), whose sum is σ = 131950080. Its totient is φ = 21991632.

The previous prime is 64142329. The next prime is 64142341. The reversal of 64142330 is 3324146.

It is a happy number.

It is a super-2 number, since 2×64142330² = 8228476995657800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64142296 and 64142305.

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, 458090 + ... + 458229.

It is an arithmetic number, because the mean of its divisors is an integer number (8246880).

Almost surely, 2^64142330 is an apocalyptic number.

64142330 is an abundant number, since it is smaller than the sum of its proper divisors (67807750).

64142330 is a wasteful number, since it uses less digits than its factorization.

64142330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916333.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 64142330 is about 8008.8906847328. The cubic root of 64142330 is about 400.2963012930.

Adding to 64142330 its reverse (3324146), we get a palindrome (67466476).

The spelling of 64142330 in words is "sixty-four million, one hundred forty-two thousand, three hundred thirty".