64154539 has 8 divisors (see below), whose sum is σ = 66044160. Its totient is φ = 62290176.

The previous prime is 64154537. The next prime is 64154561. The reversal of 64154539 is 93545146.

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

It is a cyclic number.

It is not a de Polignac number, because 64154539 - 2¹ = 64154537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64154498 and 64154507.

It is not an unprimeable number, because it can be changed into a prime (64154533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1099 + ... + 11380.

It is an arithmetic number, because the mean of its divisors is an integer number (8255520).

Almost surely, 2^64154539 is an apocalyptic number.

64154539 is a deficient number, since it is larger than the sum of its proper divisors (1889621).

64154539 is a wasteful number, since it uses less digits than its factorization.

64154539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12629.

The product of its digits is 64800, while the sum is 37.

The square root of 64154539 is about 8009.6528638887. The cubic root of 64154539 is about 400.3216974575.

The spelling of 64154539 in words is "sixty-four million, one hundred fifty-four thousand, five hundred thirty-nine".