4145530250420 has 96 divisors (see below), whose sum is σ = 9700163817120. Its totient is φ = 1477631877120.

The previous prime is 4145530250417. The next prime is 4145530250423. The reversal of 4145530250420 is 240520355414.

It is an interprime number because it is at equal distance from previous prime (4145530250417) and next prime (4145530250423).

It can be written as a sum of positive squares in 16 ways, for example, as 65235289744 + 4080294960676 = 255412^2 + 2019974^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145530250423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49126184 + ... + 49210496.

It is an arithmetic number, because the mean of its divisors is an integer number (101043373095).

Almost surely, 2^{4145530250420} 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 4145530250420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4850081908560).

4145530250420 is an abundant number, since it is smaller than the sum of its proper divisors (5554633566700).

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

4145530250420 is a wasteful number, since it uses less digits than its factorization.

4145530250420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90885 (or 90883 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 4145530250420 in words is "four trillion, one hundred forty-five billion, five hundred thirty million, two hundred fifty thousand, four hundred twenty".