42354100 has 18 divisors (see below), whose sum is σ = 91908614. Its totient is φ = 16941600.

The previous prime is 42354079. The next prime is 42354113. The reversal of 42354100 is 145324.

It can be written as a sum of positive squares in 3 ways, for example, as 36 + 42354064 = 6^2 + 6508^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 211671 + ... + 211870.

Almost surely, 2^42354100 is an apocalyptic number.

It is an amenable number.

42354100 is an abundant number, since it is smaller than the sum of its proper divisors (49554514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42354100 is a wasteful number, since it uses less digits than its factorization.

42354100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423555 (or 423548 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 42354100 is about 6508.0027658261. The cubic root of 42354100 is about 348.5768057872.

Adding to 42354100 its reverse (145324), we get a palindrome (42499424).

The spelling of 42354100 in words is "forty-two million, three hundred fifty-four thousand, one hundred".