42145321030 has 8 divisors (see below), whose sum is σ = 75861577872. Its totient is φ = 16858128408.

The previous prime is 42145320977. The next prime is 42145321039. The reversal of 42145321030 is 3012354124.

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

It is a junction number, because it is equal to n+sod(n) for n = 42145320986 and 42145321004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42145321039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2107266042 + ... + 2107266061.

It is an arithmetic number, because the mean of its divisors is an integer number (9482697234).

Almost surely, 2^42145321030 is an apocalyptic number.

42145321030 is a deficient number, since it is larger than the sum of its proper divisors (33716256842).

42145321030 is a wasteful number, since it uses less digits than its factorization.

42145321030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4214532110.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 42145321030 its reverse (3012354124), we get a palindrome (45157675154).

The spelling of 42145321030 in words is "forty-two billion, one hundred forty-five million, three hundred twenty-one thousand, thirty".