42154333241 has 4 divisors (see below), whose sum is σ = 42160260084. Its totient is φ = 42148406400.

The previous prime is 42154333201. The next prime is 42154333267. The reversal of 42154333241 is 14233345124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5274971641 + 36879361600 = 72629^2 + 192040^2 .

It is a cyclic number.

It is not a de Polignac number, because 42154333241 - 2²² = 42150138937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42154333198 and 42154333207.

It is not an unprimeable number, because it can be changed into a prime (42154333201) 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, 2952740 + ... + 2966981.

It is an arithmetic number, because the mean of its divisors is an integer number (10540065021).

Almost surely, 2^42154333241 is an apocalyptic number.

It is an amenable number.

42154333241 is a deficient number, since it is larger than the sum of its proper divisors (5926843).

42154333241 is an equidigital number, since it uses as much as digits as its factorization.

42154333241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5926842.

The product of its digits is 34560, while the sum is 32.

Adding to 42154333241 its reverse (14233345124), we get a palindrome (56387678365).

The spelling of 42154333241 in words is "forty-two billion, one hundred fifty-four million, three hundred thirty-three thousand, two hundred forty-one".