2042455545 has 48 divisors (see below), whose sum is σ = 3978374400. Its totient is φ = 961792128.

The previous prime is 2042455511. The next prime is 2042455561. The reversal of 2042455545 is 5455542402.

2042455545 is a `hidden beast` number, since 20 + 42 + 4 + 55 + 545 = 666.

It is not a de Polignac number, because 2042455545 - 2⁹ = 2042455033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62445 + ... + 89354.

It is an arithmetic number, because the mean of its divisors is an integer number (82882800).

Almost surely, 2^2042455545 is an apocalyptic number.

It is an amenable number.

2042455545 is a deficient number, since it is larger than the sum of its proper divisors (1935918855).

2042455545 is a wasteful number, since it uses less digits than its factorization.

2042455545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151846 (or 151843 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The square root of 2042455545 is about 45193.5343273792. The cubic root of 2042455545 is about 1268.7738066666.

Adding to 2042455545 its reverse (5455542402), we get a palindrome (7497997947).

The spelling of 2042455545 in words is "two billion, forty-two million, four hundred fifty-five thousand, five hundred forty-five".