42145126234301 has 4 divisors (see below), whose sum is σ = 42145675941600. Its totient is φ = 42144576527004.

The previous prime is 42145126234201. The next prime is 42145126234313. The reversal of 42145126234301 is 10343262154124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42145126234301 - 2³⁸ = 41870248327357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42145126234361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274738631 + ... + 274891988.

It is an arithmetic number, because the mean of its divisors is an integer number (10536418985400).

Almost surely, 2^{42145126234301} is an apocalyptic number.

It is an amenable number.

42145126234301 is a deficient number, since it is larger than the sum of its proper divisors (549707299).

42145126234301 is an equidigital number, since it uses as much as digits as its factorization.

42145126234301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549707298.

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 42145126234301 its reverse (10343262154124), we get a palindrome (52488388388425).

The spelling of 42145126234301 in words is "forty-two trillion, one hundred forty-five billion, one hundred twenty-six million, two hundred thirty-four thousand, three hundred one".