45301620 has 96 divisors (see below), whose sum is σ = 156135168. Its totient is φ = 9556992.

The previous prime is 45301603. The next prime is 45301657. The reversal of 45301620 is 2610354.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 1312 + ... + 9608.

It is an arithmetic number, because the mean of its divisors is an integer number (1626408).

Almost surely, 2^45301620 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 45301620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78067584).

45301620 is an abundant number, since it is smaller than the sum of its proper divisors (110833548).

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

45301620 is a wasteful number, since it uses less digits than its factorization.

45301620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8329 (or 8327 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 45301620 is about 6730.6478142895. The cubic root of 45301620 is about 356.4822505255.

Adding to 45301620 its reverse (2610354), we get a palindrome (47911974).

The spelling of 45301620 in words is "forty-five million, three hundred one thousand, six hundred twenty".