2145455354 has 16 divisors (see below), whose sum is σ = 3683404608. Its totient is φ = 918110592.

The previous prime is 2145455329. The next prime is 2145455371. The reversal of 2145455354 is 4535545412.

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, 104432 + ... + 123275.

It is an arithmetic number, because the mean of its divisors is an integer number (230212788).

Almost surely, 2^2145455354 is an apocalyptic number.

2145455354 is a deficient number, since it is larger than the sum of its proper divisors (1537949254).

2145455354 is a wasteful number, since it uses less digits than its factorization.

2145455354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228389.

The product of its digits is 240000, while the sum is 38.

The square root of 2145455354 is about 46319.0603747529. The cubic root of 2145455354 is about 1289.7528429000.

The spelling of 2145455354 in words is "two billion, one hundred forty-five million, four hundred fifty-five thousand, three hundred fifty-four".