45541858 has 4 divisors (see below), whose sum is σ = 68312790. Its totient is φ = 22770928.

The previous prime is 45541829. The next prime is 45541889. The reversal of 45541858 is 85814554.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 44983849 + 558009 = 6707^2 + 747^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 45541858.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11385463 + ... + 11385466.

Almost surely, 2^45541858 is an apocalyptic number.

45541858 is a deficient number, since it is larger than the sum of its proper divisors (22770932).

45541858 is a wasteful number, since it uses less digits than its factorization.

45541858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22770931.

The product of its digits is 128000, while the sum is 40.

The square root of 45541858 is about 6748.4707897419. The cubic root of 45541858 is about 357.1112908787. Note that the first 3 decimals are identical.

The spelling of 45541858 in words is "forty-five million, five hundred forty-one thousand, eight hundred fifty-eight".