64242154 has 16 divisors (see below), whose sum is σ = 101666880. Its totient is φ = 30360960.

The previous prime is 64242131. The next prime is 64242169. The reversal of 64242154 is 45124246.

64242154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 17434 + ... + 20794.

It is an arithmetic number, because the mean of its divisors is an integer number (6354180).

Almost surely, 2^64242154 is an apocalyptic number.

64242154 is a deficient number, since it is larger than the sum of its proper divisors (37424726).

64242154 is a wasteful number, since it uses less digits than its factorization.

64242154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3885.

The product of its digits is 7680, while the sum is 28.

The square root of 64242154 is about 8015.1203359650. The cubic root of 64242154 is about 400.5038525650.

The spelling of 64242154 in words is "sixty-four million, two hundred forty-two thousand, one hundred fifty-four".