42143615145 has 96 divisors (see below), whose sum is σ = 80517265920. Its totient is φ = 21073582080.

The previous prime is 42143615131. The next prime is 42143615149. The reversal of 42143615145 is 54151634124.

42143615145 is a `hidden beast` number, since 4 + 21 + 4 + 3 + 615 + 14 + 5 = 666.

It is not a de Polignac number, because 42143615145 - 2⁵ = 42143615113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42143615149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5593741 + ... + 5601269.

It is an arithmetic number, because the mean of its divisors is an integer number (838721520).

Almost surely, 2^42143615145 is an apocalyptic number.

42143615145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42143615145 is a deficient number, since it is larger than the sum of its proper divisors (38373650775).

42143615145 is a wasteful number, since it uses less digits than its factorization.

42143615145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7837 (or 7825 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The spelling of 42143615145 in words is "forty-two billion, one hundred forty-three million, six hundred fifteen thousand, one hundred forty-five".