45821580 has 96 divisors (see below), whose sum is σ = 148592640. Its totient is φ = 10333440.

The previous prime is 45821563. The next prime is 45821591. The reversal of 45821580 is 8512854.

It is a super-3 number, since 3×45821580³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32490 + ... + 33870.

It is an arithmetic number, because the mean of its divisors is an integer number (1547840).

Almost surely, 2^45821580 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 45821580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74296320).

45821580 is an abundant number, since it is smaller than the sum of its proper divisors (102771060).

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

45821580 is a wasteful number, since it uses less digits than its factorization.

45821580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479 (or 1477 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 45821580 is about 6769.1639070124. The cubic root of 45821580 is about 357.8409351302.

The spelling of 45821580 in words is "forty-five million, eight hundred twenty-one thousand, five hundred eighty".