64546242 has 16 divisors (see below), whose sum is σ = 130911552. Its totient is φ = 21212240.

The previous prime is 64546231. The next prime is 64546253. The reversal of 64546242 is 24264546.

It is an interprime number because it is at equal distance from previous prime (64546231) and next prime (64546253).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75333 + ... + 76184.

It is an arithmetic number, because the mean of its divisors is an integer number (8181972).

Almost surely, 2^64546242 is an apocalyptic number.

64546242 is an abundant number, since it is smaller than the sum of its proper divisors (66365310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64546242 is a wasteful number, since it uses less digits than its factorization.

64546242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151593.

The product of its digits is 46080, while the sum is 33.

The square root of 64546242 is about 8034.0675874678. The cubic root of 64546242 is about 401.1347817980.

The spelling of 64546242 in words is "sixty-four million, five hundred forty-six thousand, two hundred forty-two".