64145635 has 8 divisors (see below), whose sum is σ = 78427440. Its totient is φ = 50348064.

The previous prime is 64145633. The next prime is 64145657. The reversal of 64145635 is 53654146.

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 64145635 - 2¹ = 64145633 is a prime.

It is a super-2 number, since 2×64145635² = 8229324979106450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64145635.

It is not an unprimeable number, because it can be changed into a prime (64145633) 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, 120765 + ... + 121294.

It is an arithmetic number, because the mean of its divisors is an integer number (9803430).

Almost surely, 2^64145635 is an apocalyptic number.

64145635 is a deficient number, since it is larger than the sum of its proper divisors (14281805).

64145635 is a wasteful number, since it uses less digits than its factorization.

64145635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242117.

The product of its digits is 43200, while the sum is 34.

The square root of 64145635 is about 8009.0970152696. The cubic root of 64145635 is about 400.3031764021.

The spelling of 64145635 in words is "sixty-four million, one hundred forty-five thousand, six hundred thirty-five".