42142030453 has 4 divisors (see below), whose sum is σ = 42148896768. Its totient is φ = 42135164140.

The previous prime is 42142030423. The next prime is 42142030487. The reversal of 42142030453 is 35403024124.

It is a happy number.

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 42142030453 - 2¹³ = 42142022261 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 (42142030423) 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, 3423943 + ... + 3436228.

It is an arithmetic number, because the mean of its divisors is an integer number (10537224192).

Almost surely, 2^42142030453 is an apocalyptic number.

It is an amenable number.

42142030453 is a deficient number, since it is larger than the sum of its proper divisors (6866315).

42142030453 is an equidigital number, since it uses as much as digits as its factorization.

42142030453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6866314.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 42142030453 its reverse (35403024124), we get a palindrome (77545054577).

The spelling of 42142030453 in words is "forty-two billion, one hundred forty-two million, thirty thousand, four hundred fifty-three".