45445658 has 8 divisors (see below), whose sum is σ = 72178452. Its totient is φ = 21386176.

The previous prime is 45445649. The next prime is 45445679. The reversal of 45445658 is 85654454.

45445658 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42863209 + 2582449 = 6547^2 + 1607^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668285 + ... + 668352.

Almost surely, 2^45445658 is an apocalyptic number.

45445658 is a deficient number, since it is larger than the sum of its proper divisors (26732794).

45445658 is a wasteful number, since it uses less digits than its factorization.

45445658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336656.

The product of its digits is 384000, while the sum is 41.

The square root of 45445658 is about 6741.3394811417. The cubic root of 45445658 is about 356.8596665098.

The spelling of 45445658 in words is "forty-five million, four hundred forty-five thousand, six hundred fifty-eight".