42154535 has 8 divisors (see below), whose sum is σ = 51662016. Its totient is φ = 33005920.

The previous prime is 42154531. The next prime is 42154547. The reversal of 42154535 is 53545124.

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

It is not a de Polignac number, because 42154535 - 2² = 42154531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42154498 and 42154507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42154531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89456 + ... + 89925.

It is an arithmetic number, because the mean of its divisors is an integer number (6457752).

Almost surely, 2^42154535 is an apocalyptic number.

42154535 is a deficient number, since it is larger than the sum of its proper divisors (9507481).

42154535 is a wasteful number, since it uses less digits than its factorization.

42154535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179433.

The product of its digits is 12000, while the sum is 29.

The square root of 42154535 is about 6492.6523855817. The cubic root of 42154535 is about 348.0284663154.

Adding to 42154535 its reverse (53545124), we get a palindrome (95699659).

The spelling of 42154535 in words is "forty-two million, one hundred fifty-four thousand, five hundred thirty-five".