42545498 has 8 divisors (see below), whose sum is σ = 64171380. Its totient is φ = 21155040.

The previous prime is 42545497. The next prime is 42545507. The reversal of 42545498 is 89454524.

It can be written as a sum of positive squares in 2 ways, for example, as 38477209 + 4068289 = 6203^2 + 2017^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (42545497) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 58403 + ... + 59126.

Almost surely, 2^42545498 is an apocalyptic number.

42545498 is a deficient number, since it is larger than the sum of its proper divisors (21625882).

42545498 is a wasteful number, since it uses less digits than its factorization.

42545498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117712.

The product of its digits is 230400, while the sum is 41.

The square root of 42545498 is about 6522.6910090851. The cubic root of 42545498 is about 349.1010892074.

The spelling of 42545498 in words is "forty-two million, five hundred forty-five thousand, four hundred ninety-eight".