2042512045 has 16 divisors (see below), whose sum is σ = 2822548608. Its totient is φ = 1389885120.

The previous prime is 2042512007. The next prime is 2042512051. The reversal of 2042512045 is 5402152402.

It is not a de Polignac number, because 2042512045 - 2¹⁹ = 2041987757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218154 + ... + 227323.

It is an arithmetic number, because the mean of its divisors is an integer number (176409288).

Almost surely, 2^2042512045 is an apocalyptic number.

It is an amenable number.

2042512045 is a deficient number, since it is larger than the sum of its proper divisors (780036563).

2042512045 is a wasteful number, since it uses less digits than its factorization.

2042512045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445620.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2042512045 is about 45194.1594124728. The cubic root of 2042512045 is about 1268.7855058293.

Adding to 2042512045 its reverse (5402152402), we get a palindrome (7444664447).

The spelling of 2042512045 in words is "two billion, forty-two million, five hundred twelve thousand, forty-five".