64459149 has 8 divisors (see below), whose sum is σ = 86321760. Its totient is φ = 42784656.

The previous prime is 64459123. The next prime is 64459163. The reversal of 64459149 is 94195446.

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

It is not a de Polignac number, because 64459149 - 2⁵ = 64459117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64459149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64459169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46227 + ... + 47600.

It is an arithmetic number, because the mean of its divisors is an integer number (10790220).

Almost surely, 2^64459149 is an apocalyptic number.

It is an amenable number.

64459149 is a deficient number, since it is larger than the sum of its proper divisors (21862611).

64459149 is a wasteful number, since it uses less digits than its factorization.

64459149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94059.

The product of its digits is 155520, while the sum is 42.

The square root of 64459149 is about 8028.6455271110. The cubic root of 64459149 is about 400.9542819710.

The spelling of 64459149 in words is "sixty-four million, four hundred fifty-nine thousand, one hundred forty-nine".