3020145534 has 128 divisors (see below), whose sum is σ = 7860602880. Its totient is φ = 841681152.

The previous prime is 3020145511. The next prime is 3020145539. The reversal of 3020145534 is 4355410203.

3020145534 is a `hidden beast` number, since 3 + 0 + 201 + 455 + 3 + 4 = 666.

3020145534 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 (27).

It is a junction number, because it is equal to n+sod(n) for n = 3020145498 and 3020145507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020145539) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4667599 + ... + 4668245.

It is an arithmetic number, because the mean of its divisors is an integer number (61410960).

Almost surely, 2^3020145534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3020145534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3930301440).

3020145534 is an abundant number, since it is smaller than the sum of its proper divisors (4840457346).

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

3020145534 is a wasteful number, since it uses less digits than its factorization.

3020145534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951 (or 945 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 3020145534 is about 54955.8507713237. The cubic root of 3020145534 is about 1445.4706917579.

Adding to 3020145534 its reverse (4355410203), we get a palindrome (7375555737).

The spelling of 3020145534 in words is "three billion, twenty million, one hundred forty-five thousand, five hundred thirty-four".