45495820 has 24 divisors (see below), whose sum is σ = 96002928. Its totient is φ = 18110400.

The previous prime is 45495799. The next prime is 45495839. The reversal of 45495820 is 2859454.

It is a self number, because there is not a number n which added to its sum of digits gives 45495820.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1171 + ... + 9610.

It is an arithmetic number, because the mean of its divisors is an integer number (4000122).

Almost surely, 2^45495820 is an apocalyptic number.

It is an amenable number.

45495820 is an abundant number, since it is smaller than the sum of its proper divisors (50507108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45495820 is a wasteful number, since it uses less digits than its factorization.

45495820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11001 (or 10999 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 45495820 is about 6745.0589322852. The cubic root of 45495820 is about 356.9909163970.

The spelling of 45495820 in words is "forty-five million, four hundred ninety-five thousand, eight hundred twenty".