4145055420 has 96 divisors (see below), whose sum is σ = 12676124160. Its totient is φ = 1003682560.

The previous prime is 4145055419. The next prime is 4145055449. The reversal of 4145055420 is 245505414.

4145055420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 645586 + ... + 651974.

It is an arithmetic number, because the mean of its divisors is an integer number (132042960).

Almost surely, 2^4145055420 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 4145055420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6338062080).

4145055420 is an abundant number, since it is smaller than the sum of its proper divisors (8531068740).

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

4145055420 is a wasteful number, since it uses less digits than its factorization.

4145055420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7395 (or 7393 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 4145055420 is about 64382.1048118186. The cubic root of 4145055420 is about 1606.3620933042.

The spelling of 4145055420 in words is "four billion, one hundred forty-five million, fifty-five thousand, four hundred twenty".