45456543 has 48 divisors (see below), whose sum is σ = 75479040. Its totient is φ = 26107200.

The previous prime is 45456539. The next prime is 45456553. The reversal of 45456543 is 34565454.

45456543 is a `hidden beast` number, since 4 + 54 + 565 + 43 = 666.

45456543 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 45456543 - 2² = 45456539 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 45456498 and 45456507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45456503) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 203730 + ... + 203952.

It is an arithmetic number, because the mean of its divisors is an integer number (1572480).

Almost surely, 2^45456543 is an apocalyptic number.

45456543 is a deficient number, since it is larger than the sum of its proper divisors (30022497).

45456543 is a wasteful number, since it uses less digits than its factorization.

45456543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 337 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 45456543 is about 6742.1467649407. The cubic root of 45456543 is about 356.8881555343. Note that the first 3 decimals are identical.

The spelling of 45456543 in words is "forty-five million, four hundred fifty-six thousand, five hundred forty-three".