3020145245 has 16 divisors (see below), whose sum is σ = 3906569520. Its totient is φ = 2228196864.

The previous prime is 3020145241. The next prime is 3020145287. The reversal of 3020145245 is 5425410203.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 681262201 + 2338883044 = 26101^2 + 48362^2 .

It is a cyclic number.

It is not a de Polignac number, because 3020145245 - 2² = 3020145241 is a prime.

It is a super-2 number, since 2×3020145245² = 18242554601792220050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020145241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51137 + ... + 93033.

It is an arithmetic number, because the mean of its divisors is an integer number (244160595).

Almost surely, 2^3020145245 is an apocalyptic number.

It is an amenable number.

3020145245 is a deficient number, since it is larger than the sum of its proper divisors (886424275).

3020145245 is a wasteful number, since it uses less digits than its factorization.

3020145245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43024.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 3020145245 is about 54955.8481419403. The cubic root of 3020145245 is about 1445.4706456518.

Adding to 3020145245 its reverse (5425410203), we get a palindrome (8445555448).

The spelling of 3020145245 in words is "three billion, twenty million, one hundred forty-five thousand, two hundred forty-five".