42145330100 has 18 divisors (see below), whose sum is σ = 91455366534. Its totient is φ = 16858132000.

The previous prime is 42145330093. The next prime is 42145330219. The reversal of 42145330100 is 103354124.

It can be written as a sum of positive squares in 3 ways, for example, as 4836089764 + 37309240336 = 69542^2 + 193156^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 210726551 + ... + 210726750.

Almost surely, 2^42145330100 is an apocalyptic number.

It is an amenable number.

42145330100 is an abundant number, since it is smaller than the sum of its proper divisors (49310036434).

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

42145330100 is a wasteful number, since it uses less digits than its factorization.

42145330100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421453315 (or 421453308 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 42145330100 its reverse (103354124), we get a palindrome (42248684224).

The spelling of 42145330100 in words is "forty-two billion, one hundred forty-five million, three hundred thirty thousand, one hundred".