42345454325 has 6 divisors (see below), whose sum is σ = 52508363394. Its totient is φ = 33876363440.

The previous prime is 42345454321. The next prime is 42345454331. The reversal of 42345454325 is 52345454324.

It can be written as a sum of positive squares in 3 ways, for example, as 12792062404 + 29553391921 = 113102^2 + 171911^2 .

It is not a de Polignac number, because 42345454325 - 2² = 42345454321 is a prime.

It is a super-2 number, since 2×42345454325² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42345454321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 846909062 + ... + 846909111.

It is an arithmetic number, because the mean of its divisors is an integer number (8751393899).

Almost surely, 2^42345454325 is an apocalyptic number.

It is an amenable number.

42345454325 is a deficient number, since it is larger than the sum of its proper divisors (10162909069).

42345454325 is a wasteful number, since it uses less digits than its factorization.

42345454325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693818183 (or 1693818178 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 41.

Subtracting 42345454325 from its reverse (52345454324), we obtain a palindrome (9999999999).

The spelling of 42345454325 in words is "forty-two billion, three hundred forty-five million, four hundred fifty-four thousand, three hundred twenty-five".