45300123520 has 64 divisors (see below), whose sum is σ = 108373890240. Its totient is φ = 18106951680.

The previous prime is 45300123487. The next prime is 45300123521. The reversal of 45300123520 is 2532100354.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45300123521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 885850 + ... + 935590.

It is an arithmetic number, because the mean of its divisors is an integer number (1693342035).

Almost surely, 2^45300123520 is an apocalyptic number.

45300123520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45300123520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54186945120).

45300123520 is an abundant number, since it is smaller than the sum of its proper divisors (63073766720).

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

45300123520 is a wasteful number, since it uses less digits than its factorization.

45300123520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51183 (or 51171 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 45300123520 its reverse (2532100354), we get a palindrome (47832223874).

The spelling of 45300123520 in words is "forty-five billion, three hundred million, one hundred twenty-three thousand, five hundred twenty".