42845769147 has 18 divisors (see below), whose sum is σ = 57642314844. Its totient is φ = 28308818160.

The previous prime is 42845769091. The next prime is 42845769149. The reversal of 42845769147 is 74196754824.

It is not a de Polignac number, because 42845769147 - 2¹⁰ = 42845768123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42845769149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 45531697 + ... + 45532637.

Almost surely, 2^42845769147 is an apocalyptic number.

42845769147 is a deficient number, since it is larger than the sum of its proper divisors (14796545697).

42845769147 is an frugal number, since it uses more digits than its factorization.

42845769147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139 (or 1071 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 57.

The spelling of 42845769147 in words is "forty-two billion, eight hundred forty-five million, seven hundred sixty-nine thousand, one hundred forty-seven".