3020453145 has 20 divisors (see below), whose sum is σ = 5414442660. Its totient is φ = 1610908128.

The previous prime is 3020453141. The next prime is 3020453179. The reversal of 3020453145 is 5413540203.

3020453145 is a `hidden beast` number, since 302 + 0 + 45 + 314 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1882605321 + 1137847824 = 43389^2 + 33732^2 .

It is not a de Polignac number, because 3020453145 - 2² = 3020453141 is a prime.

It is a super-2 number, since 2×3020453145² = 18246274402280782050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3020453141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3728550 + ... + 3729359.

It is an arithmetic number, because the mean of its divisors is an integer number (270722133).

Almost surely, 2^3020453145 is an apocalyptic number.

It is an amenable number.

3020453145 is a deficient number, since it is larger than the sum of its proper divisors (2393989515).

3020453145 is an equidigital number, since it uses as much as digits as its factorization.

3020453145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7457926 (or 7457917 counting only the distinct ones).

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

The square root of 3020453145 is about 54958.6494102612. The cubic root of 3020453145 is about 1445.5197652859.

Adding to 3020453145 its reverse (5413540203), we get a palindrome (8433993348).

The spelling of 3020453145 in words is "three billion, twenty million, four hundred fifty-three thousand, one hundred forty-five".