64001542 has 8 divisors (see below), whose sum is σ = 104729832. Its totient is φ = 29091600.

The previous prime is 64001537. The next prime is 64001543. The reversal of 64001542 is 24510046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 2909161 = 64001542 / (6 + 4 + 0 + 0 + 1 + 5 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64001543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1454559 + ... + 1454602.

It is an arithmetic number, because the mean of its divisors is an integer number (13091229).

Almost surely, 2^64001542 is an apocalyptic number.

64001542 is a deficient number, since it is larger than the sum of its proper divisors (40728290).

64001542 is a wasteful number, since it uses less digits than its factorization.

64001542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909174.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 64001542 is about 8000.0963744195. The cubic root of 64001542 is about 400.0032124742.

Adding to 64001542 its reverse (24510046), we get a palindrome (88511588).

The spelling of 64001542 in words is "sixty-four million, one thousand, five hundred forty-two".