45656543 has 8 divisors (see below), whose sum is σ = 48483360. Its totient is φ = 42845440.

The previous prime is 45656519. The next prime is 45656561. The reversal of 45656543 is 34565654.

It is a happy number.

45656543 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

It is not a de Polignac number, because 45656543 - 2⁸ = 45656287 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45656497 and 45656506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45656573) 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, 2363 + ... + 9843.

It is an arithmetic number, because the mean of its divisors is an integer number (6060420).

Almost surely, 2^45656543 is an apocalyptic number.

45656543 is a deficient number, since it is larger than the sum of its proper divisors (2826817).

45656543 is a wasteful number, since it uses less digits than its factorization.

45656543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7857.

The product of its digits is 216000, while the sum is 38.

The square root of 45656543 is about 6756.9625572442. The cubic root of 45656543 is about 357.4108027261.

The spelling of 45656543 in words is "forty-five million, six hundred fifty-six thousand, five hundred forty-three".