2148594045 has 64 divisors (see below), whose sum is σ = 3940876800. Its totient is φ = 990240768.

The previous prime is 2148594031. The next prime is 2148594061. The reversal of 2148594045 is 5404958412.

It is not a de Polignac number, because 2148594045 - 2⁶ = 2148593981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2148593988 and 2148594006.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 658057 + ... + 661313.

It is an arithmetic number, because the mean of its divisors is an integer number (61576200).

Almost surely, 2^2148594045 is an apocalyptic number.

It is an amenable number.

2148594045 is a deficient number, since it is larger than the sum of its proper divisors (1792282755).

2148594045 is a wasteful number, since it uses less digits than its factorization.

2148594045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3494.

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 2148594045 is about 46352.9291954672. The cubic root of 2148594045 is about 1290.3814838338.

The spelling of 2148594045 in words is "two billion, one hundred forty-eight million, five hundred ninety-four thousand, forty-five".