2045554012 has 12 divisors (see below), whose sum is σ = 3580053120. Its totient is φ = 1022681696.

The previous prime is 2045553997. The next prime is 2045554039. The reversal of 2045554012 is 2104555402.

It is a super-2 number, since 2×2045554012² = 8368582432018592288, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 49608 + ... + 80944.

It is an arithmetic number, because the mean of its divisors is an integer number (298337760).

Almost surely, 2^2045554012 is an apocalyptic number.

It is an amenable number.

2045554012 is a deficient number, since it is larger than the sum of its proper divisors (1534499108).

2045554012 is a wasteful number, since it uses less digits than its factorization.

2045554012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47660 (or 47658 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 2045554012 is about 45227.8013173314. The cubic root of 2045554012 is about 1269.4150719498.

The spelling of 2045554012 in words is "two billion, forty-five million, five hundred fifty-four thousand, twelve".