45921500 has 48 divisors (see below), whose sum is σ = 103783680. Its totient is φ = 17729600.

The previous prime is 45921497. The next prime is 45921541. The reversal of 45921500 is 512954.

It is a self number, because there is not a number n which added to its sum of digits gives 45921500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12917 + ... + 16083.

It is an arithmetic number, because the mean of its divisors is an integer number (2162160).

Almost surely, 2^45921500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45921500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51891840).

45921500 is an abundant number, since it is smaller than the sum of its proper divisors (57862180).

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

45921500 is a wasteful number, since it uses less digits than its factorization.

45921500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3215 (or 3203 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 45921500 is about 6776.5404152857. The cubic root of 45921500 is about 358.1008527486.

The spelling of 45921500 in words is "forty-five million, nine hundred twenty-one thousand, five hundred".