45451850 has 12 divisors (see below), whose sum is σ = 84540534. Its totient is φ = 18180720.

The previous prime is 45451843. The next prime is 45451909. The reversal of 45451850 is 5815454.

It can be written as a sum of positive squares in 3 ways, for example, as 32913169 + 12538681 = 5737^2 + 3541^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 454469 + ... + 454568.

Almost surely, 2^45451850 is an apocalyptic number.

45451850 is a deficient number, since it is larger than the sum of its proper divisors (39088684).

45451850 is a wasteful number, since it uses less digits than its factorization.

45451850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909049 (or 909044 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

The square root of 45451850 is about 6741.7987214096. The cubic root of 45451850 is about 356.8758732265.

The spelling of 45451850 in words is "forty-five million, four hundred fifty-one thousand, eight hundred fifty".