2042051545 has 8 divisors (see below), whose sum is σ = 2453169024. Its totient is φ = 1631836464.

The previous prime is 2042051521. The next prime is 2042051549. The reversal of 2042051545 is 5451502402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2042051545 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2042051549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220609 + ... + 229678.

It is an arithmetic number, because the mean of its divisors is an integer number (306646128).

Almost surely, 2^2042051545 is an apocalyptic number.

It is an amenable number.

2042051545 is a deficient number, since it is larger than the sum of its proper divisors (411117479).

2042051545 is an equidigital number, since it uses as much as digits as its factorization.

2042051545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451199.

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

The square root of 2042051545 is about 45189.0644404152. The cubic root of 2042051545 is about 1268.6901461892.

Adding to 2042051545 its reverse (5451502402), we get a palindrome (7493553947).

The spelling of 2042051545 in words is "two billion, forty-two million, fifty-one thousand, five hundred forty-five".