42145654124 has 24 divisors (see below), whose sum is σ = 85109676288. Its totient is φ = 17887058640.

The previous prime is 42145654123. The next prime is 42145654163.

42145654124 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (42145654123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7303922 + ... + 7309689.

It is an arithmetic number, because the mean of its divisors is an integer number (3546236512).

Almost surely, 2^42145654124 is an apocalyptic number.

It is an amenable number.

42145654124 is an abundant number, since it is smaller than the sum of its proper divisors (42964022164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42145654124 is a wasteful number, since it uses less digits than its factorization.

42145654124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14613725 (or 14613723 counting only the distinct ones).

The product of its digits is 153600, while the sum is 38.

The spelling of 42145654124 in words is "forty-two billion, one hundred forty-five million, six hundred fifty-four thousand, one hundred twenty-four".