64146342 has 16 divisors (see below), whose sum is σ = 138161520. Its totient is φ = 19737312.

The previous prime is 64146331. The next prime is 64146343. The reversal of 64146342 is 24364146.

It is a super-2 number, since 2×64146342² = 8229506383961928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64146343) 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, 411117 + ... + 411272.

It is an arithmetic number, because the mean of its divisors is an integer number (8635095).

Almost surely, 2^64146342 is an apocalyptic number.

64146342 is an abundant number, since it is smaller than the sum of its proper divisors (74015178).

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

64146342 is a wasteful number, since it uses less digits than its factorization.

64146342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822407.

The product of its digits is 13824, while the sum is 30.

The square root of 64146342 is about 8009.1411524582. The cubic root of 64146342 is about 400.3046470831.

The spelling of 64146342 in words is "sixty-four million, one hundred forty-six thousand, three hundred forty-two".