64141444 has 12 divisors (see below), whose sum is σ = 113405404. Its totient is φ = 31739904.

The previous prime is 64141433. The next prime is 64141447. The reversal of 64141444 is 44414146.

It can be written as a sum of positive squares in 2 ways, for example, as 8340544 + 55800900 = 2888^2 + 7470^2 .

It is a super-2 number, since 2×64141444² = 8228249676810272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64141447) 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, 82269 + ... + 83044.

Almost surely, 2^64141444 is an apocalyptic number.

It is an amenable number.

64141444 is a deficient number, since it is larger than the sum of its proper divisors (49263960).

64141444 is a wasteful number, since it uses less digits than its factorization.

64141444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165414 (or 165412 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

The square root of 64141444 is about 8008.8353710137. The cubic root of 64141444 is about 400.2944581828.

The spelling of 64141444 in words is "sixty-four million, one hundred forty-one thousand, four hundred forty-four".