45045850 has 12 divisors (see below), whose sum is σ = 83785374. Its totient is φ = 18018320.

The previous prime is 45045841. The next prime is 45045857. The reversal of 45045850 is 5854054.

It can be written as a sum of positive squares in 3 ways, for example, as 40564161 + 4481689 = 6369^2 + 2117^2 .

It is not an unprimeable number, because it can be changed into a prime (45045857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 450409 + ... + 450508.

Almost surely, 2^45045850 is an apocalyptic number.

45045850 is a deficient number, since it is larger than the sum of its proper divisors (38739524).

45045850 is a wasteful number, since it uses less digits than its factorization.

45045850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900929 (or 900924 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 45045850 is about 6711.6205196659. The cubic root of 45045850 is about 355.8100920796.

The spelling of 45045850 in words is "forty-five million, forty-five thousand, eight hundred fifty".