45543658 has 16 divisors (see below), whose sum is σ = 70663680. Its totient is φ = 22001616.

The previous prime is 45543653. The next prime is 45543683. The reversal of 45543658 is 85634554.

It is a self number, because there is not a number n which added to its sum of digits gives 45543658.

It is not an unprimeable number, because it can be changed into a prime (45543653) 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, 4360 + ... + 10492.

It is an arithmetic number, because the mean of its divisors is an integer number (4416480).

Almost surely, 2^45543658 is an apocalyptic number.

45543658 is a deficient number, since it is larger than the sum of its proper divisors (25120022).

45543658 is a wasteful number, since it uses less digits than its factorization.

45543658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6261.

The product of its digits is 288000, while the sum is 40.

The square root of 45543658 is about 6748.6041519710. The cubic root of 45543658 is about 357.1159956483.

The spelling of 45543658 in words is "forty-five million, five hundred forty-three thousand, six hundred fifty-eight".