3145342420 has 24 divisors (see below), whose sum is σ = 7205694048. Its totient is φ = 1143760800.

The previous prime is 3145342393. The next prime is 3145342489. The reversal of 3145342420 is 242435413.

It is a happy number.

It is a congruent number.

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, 7148286 + ... + 7148725.

It is an arithmetic number, because the mean of its divisors is an integer number (300237252).

Almost surely, 2^3145342420 is an apocalyptic number.

It is an amenable number.

3145342420 is an abundant number, since it is smaller than the sum of its proper divisors (4060351628).

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

3145342420 is a wasteful number, since it uses less digits than its factorization.

3145342420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14297031 (or 14297029 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 3145342420 is about 56083.3524318937. The cubic root of 3145342420 is about 1465.1743621750.

Adding to 3145342420 its reverse (242435413), we get a palindrome (3387777833).

The spelling of 3145342420 in words is "three billion, one hundred forty-five million, three hundred forty-two thousand, four hundred twenty".