64242141 has 4 divisors (see below), whose sum is σ = 85656192. Its totient is φ = 42828092.

The previous prime is 64242131. The next prime is 64242169. The reversal of 64242141 is 14124246.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64242141 - 2⁵ = 64242109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64242131) 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, 10707021 + ... + 10707026.

It is an arithmetic number, because the mean of its divisors is an integer number (21414048).

Almost surely, 2^64242141 is an apocalyptic number.

It is an amenable number.

64242141 is a deficient number, since it is larger than the sum of its proper divisors (21414051).

64242141 is a wasteful number, since it uses less digits than its factorization.

64242141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21414050.

The product of its digits is 1536, while the sum is 24.

The square root of 64242141 is about 8015.1195249977. The cubic root of 64242141 is about 400.5038255498.

Adding to 64242141 its reverse (14124246), we get a palindrome (78366387).

The spelling of 64242141 in words is "sixty-four million, two hundred forty-two thousand, one hundred forty-one".