64614146 has 8 divisors (see below), whose sum is σ = 100263420. Its totient is φ = 31193008.

The previous prime is 64614139. The next prime is 64614149. The reversal of 64614146 is 64141646.

It can be written as a sum of positive squares in 2 ways, for example, as 62331025 + 2283121 = 7895^2 + 1511^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64614149) 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, 556961 + ... + 557076.

Almost surely, 2^64614146 is an apocalyptic number.

64614146 is a deficient number, since it is larger than the sum of its proper divisors (35649274).

64614146 is a wasteful number, since it uses less digits than its factorization.

64614146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114068.

The product of its digits is 13824, while the sum is 32.

The square root of 64614146 is about 8038.2924803717. The cubic root of 64614146 is about 401.2753998989.

The spelling of 64614146 in words is "sixty-four million, six hundred fourteen thousand, one hundred forty-six".