3102145420 has 24 divisors (see below), whose sum is σ = 7106733648. Its totient is φ = 1128052800.

The previous prime is 3102145393. The next prime is 3102145469. The reversal of 3102145420 is 245412013.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 3102145391 and 3102145400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7050111 + ... + 7050550.

It is an arithmetic number, because the mean of its divisors is an integer number (296113902).

Almost surely, 2^3102145420 is an apocalyptic number.

It is an amenable number.

3102145420 is an abundant number, since it is smaller than the sum of its proper divisors (4004588228).

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

3102145420 is a wasteful number, since it uses less digits than its factorization.

3102145420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14100681 (or 14100679 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 3102145420 is about 55696.9067363709. The cubic root of 3102145420 is about 1458.4360277578.

Adding to 3102145420 its reverse (245412013), we get a palindrome (3347557433).

The spelling of 3102145420 in words is "three billion, one hundred two million, one hundred forty-five thousand, four hundred twenty".