2091045144 has 16 divisors (see below), whose sum is σ = 5227612920. Its totient is φ = 697015040.

The previous prime is 2091045119. The next prime is 2091045157. The reversal of 2091045144 is 4415401902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43563417 + ... + 43563464.

Almost surely, 2^2091045144 is an apocalyptic number.

2091045144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2091045144 is an abundant number, since it is smaller than the sum of its proper divisors (3136567776).

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

2091045144 is a wasteful number, since it uses less digits than its factorization.

2091045144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87126890 (or 87126886 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2091045144 is about 45727.9470783459. The cubic root of 2091045144 is about 1278.7563490233.

The spelling of 2091045144 in words is "two billion, ninety-one million, forty-five thousand, one hundred forty-four".