2091262145 has 32 divisors (see below), whose sum is σ = 2898124800. Its totient is φ = 1419042240.

The previous prime is 2091262081. The next prime is 2091262153. The reversal of 2091262145 is 5412621902.

It is not a de Polignac number, because 2091262145 - 2⁶ = 2091262081 is a prime.

It is a super-2 number, since 2×2091262145² = 8746754718220002050, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 1468904 + ... + 1470326.

It is an arithmetic number, because the mean of its divisors is an integer number (90566400).

Almost surely, 2^2091262145 is an apocalyptic number.

It is an amenable number.

2091262145 is a deficient number, since it is larger than the sum of its proper divisors (806862655).

2091262145 is a wasteful number, since it uses less digits than its factorization.

2091262145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2091262145 is about 45730.3197561530. The cubic root of 2091262145 is about 1278.8005823754.

The spelling of 2091262145 in words is "two billion, ninety-one million, two hundred sixty-two thousand, one hundred forty-five".