4620145556 has 48 divisors (see below), whose sum is σ = 9537348240. Its totient is φ = 1937725440.

The previous prime is 4620145549. The next prime is 4620145559. The reversal of 4620145556 is 6555410264.

It can be written as a sum of positive squares in 8 ways, for example, as 13808656 + 4606336900 = 3716^2 + 67870^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4620145559) 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, 64475 + ... + 115746.

It is an arithmetic number, because the mean of its divisors is an integer number (198694755).

Almost surely, 2^4620145556 is an apocalyptic number.

It is an amenable number.

4620145556 is an abundant number, since it is smaller than the sum of its proper divisors (4917202684).

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

4620145556 is a wasteful number, since it uses less digits than its factorization.

4620145556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180284 (or 180282 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The square root of 4620145556 is about 67971.6525913561. The cubic root of 4620145556 is about 1665.5277997977.

The spelling of 4620145556 in words is "four billion, six hundred twenty million, one hundred forty-five thousand, five hundred fifty-six".