45453020 has 48 divisors (see below), whose sum is σ = 98824320. Its totient is φ = 17547264.

The previous prime is 45453011. The next prime is 45453047. The reversal of 45453020 is 2035454.

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, 176732 + ... + 176988.

It is an arithmetic number, because the mean of its divisors is an integer number (2058840).

Almost surely, 2^45453020 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 45453020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49412160).

45453020 is an abundant number, since it is smaller than the sum of its proper divisors (53371300).

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

45453020 is a wasteful number, since it uses less digits than its factorization.

45453020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 45453020 is about 6741.8854929463. The cubic root of 45453020 is about 356.8789353768.

Adding to 45453020 its reverse (2035454), we get a palindrome (47488474).

The spelling of 45453020 in words is "forty-five million, four hundred fifty-three thousand, twenty".