42006453 has 8 divisors (see below), whose sum is σ = 56162688. Its totient is φ = 27927264.

The previous prime is 42006443. The next prime is 42006469. The reversal of 42006453 is 35460024.

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

It is not a de Polignac number, because 42006453 - 2⁵ = 42006421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42006403) 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, 17976 + ... + 20177.

It is an arithmetic number, because the mean of its divisors is an integer number (7020336).

Almost surely, 2^42006453 is an apocalyptic number.

It is an amenable number.

42006453 is a deficient number, since it is larger than the sum of its proper divisors (14156235).

42006453 is a wasteful number, since it uses less digits than its factorization.

42006453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38523.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 42006453 is about 6481.2385390448. The cubic root of 42006453 is about 347.6204657992.

Adding to 42006453 its reverse (35460024), we get a palindrome (77466477).

The spelling of 42006453 in words is "forty-two million, six thousand, four hundred fifty-three".