45213030520000 has 280 divisors, whose sum is σ = 128247524580384. Its totient is φ = 15487374336000.

The previous prime is 45213030519971. The next prime is 45213030520051. The reversal of 45213030520000 is 2503031254.

It is a tau number, because it is divible by the number of its divisors (280).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 307086402 + ... + 307233598.

Almost surely, 2^{45213030520000} is an apocalyptic number.

45213030520000 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 45213030520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64123762290192).

45213030520000 is an abundant number, since it is smaller than the sum of its proper divisors (83034494060384).

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

45213030520000 is a wasteful number, since it uses less digits than its factorization.

45213030520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148333 (or 148308 counting only the distinct ones).

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

Adding to 45213030520000 its reverse (2503031254), we get a palindrome (45215533551254).

The spelling of 45213030520000 in words is "forty-five trillion, two hundred thirteen billion, thirty million, five hundred twenty thousand".