64355141 has 4 divisors (see below), whose sum is σ = 64435500. Its totient is φ = 64274784.

The previous prime is 64355131. The next prime is 64355153. The reversal of 64355141 is 14155346.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61952641 + 2402500 = 7871^2 + 1550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64355141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64355111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38966 + ... + 40583.

It is an arithmetic number, because the mean of its divisors is an integer number (16108875).

Almost surely, 2^64355141 is an apocalyptic number.

It is an amenable number.

64355141 is a deficient number, since it is larger than the sum of its proper divisors (80359).

64355141 is an equidigital number, since it uses as much as digits as its factorization.

64355141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80358.

The product of its digits is 7200, while the sum is 29.

The square root of 64355141 is about 8022.1656053712. The cubic root of 64355141 is about 400.7385127415.

The spelling of 64355141 in words is "sixty-four million, three hundred fifty-five thousand, one hundred forty-one".