45075818 has 8 divisors (see below), whose sum is σ = 67646340. Its totient is φ = 22527040.

The previous prime is 45075781. The next prime is 45075827. The reversal of 45075818 is 81857054.

It can be written as a sum of positive squares in 2 ways, for example, as 45064369 + 11449 = 6713^2 + 107^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1538 + ... + 9618.

Almost surely, 2^45075818 is an apocalyptic number.

45075818 is a deficient number, since it is larger than the sum of its proper divisors (22570522).

45075818 is a wasteful number, since it uses less digits than its factorization.

45075818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10872.

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 45075818 is about 6713.8526942434. The cubic root of 45075818 is about 355.8889787630. Note that the first 3 decimals are identical.

The spelling of 45075818 in words is "forty-five million, seventy-five thousand, eight hundred eighteen".