64153642 has 12 divisors (see below), whose sum is σ = 111941730. Its totient is φ = 27494376.

The previous prime is 64153627. The next prime is 64153651. The reversal of 64153642 is 24635146.

64153642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 64016001 + 137641 = 8001^2 + 371^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 327217 + ... + 327412.

Almost surely, 2^64153642 is an apocalyptic number.

64153642 is a deficient number, since it is larger than the sum of its proper divisors (47788088).

64153642 is a wasteful number, since it uses less digits than its factorization.

64153642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654645 (or 654638 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 64153642 is about 8009.5968687569. The cubic root of 64153642 is about 400.3198317010.

Adding to 64153642 its reverse (24635146), we get a palindrome (88788788).

The spelling of 64153642 in words is "sixty-four million, one hundred fifty-three thousand, six hundred forty-two".