2345445552 has 40 divisors (see below), whose sum is σ = 6099212800. Its totient is φ = 776635200.

The previous prime is 2345445527. The next prime is 2345445581. The reversal of 2345445552 is 2555445432.

It is a super-2 number, since 2×2345445552² = 11002229674793169408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2345445552.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154552 + ... + 169047.

It is an arithmetic number, because the mean of its divisors is an integer number (152480320).

Almost surely, 2^2345445552 is an apocalyptic number.

It is an amenable number.

2345445552 is an abundant number, since it is smaller than the sum of its proper divisors (3753767248).

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

2345445552 is a wasteful number, since it uses less digits than its factorization.

2345445552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323761 (or 323755 counting only the distinct ones).

The product of its digits is 480000, while the sum is 39.

The square root of 2345445552 is about 48429.8002473684. The cubic root of 2345445552 is about 1328.6434529971.

It can be divided in two parts, 23454 and 45552, that added together give a triangular number (69006 = T₃₇₁).

The spelling of 2345445552 in words is "two billion, three hundred forty-five million, four hundred forty-five thousand, five hundred fifty-two".