2043042545 has 8 divisors (see below), whose sum is σ = 2580685440. Its totient is φ = 1548411120.

The previous prime is 2043042527. The next prime is 2043042553. The reversal of 2043042545 is 5452403402.

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

It is not a de Polignac number, because 2043042545 - 2¹² = 2043038449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10752761 + ... + 10752950.

It is an arithmetic number, because the mean of its divisors is an integer number (322585680).

Almost surely, 2^2043042545 is an apocalyptic number.

It is an amenable number.

2043042545 is a deficient number, since it is larger than the sum of its proper divisors (537642895).

2043042545 is a wasteful number, since it uses less digits than its factorization.

2043042545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21505735.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 2043042545 is about 45200.0281526461. The cubic root of 2043042545 is about 1268.8953431980.

Adding to 2043042545 its reverse (5452403402), we get a palindrome (7495445947).

The spelling of 2043042545 in words is "two billion, forty-three million, forty-two thousand, five hundred forty-five".