45643545065 has 8 divisors (see below), whose sum is σ = 54802915200. Its totient is φ = 36494395312.

The previous prime is 45643545061. The next prime is 45643545091. The reversal of 45643545065 is 56054534654.

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 45643545065 - 2² = 45643545061 is a prime.

It is a super-2 number, since 2×45643545065² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45643545061) 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, 2545265 + ... + 2563134.

It is an arithmetic number, because the mean of its divisors is an integer number (6850364400).

Almost surely, 2^45643545065 is an apocalyptic number.

It is an amenable number.

45643545065 is a deficient number, since it is larger than the sum of its proper divisors (9159370135).

45643545065 is a wasteful number, since it uses less digits than its factorization.

45643545065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110191.

The product of its (nonzero) digits is 4320000, while the sum is 47.

The spelling of 45643545065 in words is "forty-five billion, six hundred forty-three million, five hundred forty-five thousand, sixty-five".