2945454420 has 48 divisors (see below), whose sum is σ = 8439076800. Its totient is φ = 767187456.

The previous prime is 2945454401. The next prime is 2945454427. The reversal of 2945454420 is 244545492.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945454427) 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 15 ways as a sum of consecutive naturals, for example, 568245 + ... + 573404.

It is an arithmetic number, because the mean of its divisors is an integer number (175814100).

Almost surely, 2^2945454420 is an apocalyptic number.

2945454420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2945454420 is an abundant number, since it is smaller than the sum of its proper divisors (5493622380).

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

2945454420 is a wasteful number, since it uses less digits than its factorization.

2945454420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141704 (or 1141702 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The square root of 2945454420 is about 54272.0408682040. The cubic root of 2945454420 is about 1433.4551266016.

The spelling of 2945454420 in words is "two billion, nine hundred forty-five million, four hundred fifty-four thousand, four hundred twenty".