42249453 has 8 divisors (see below), whose sum is σ = 56442816. Its totient is φ = 28111200.

The previous prime is 42249419. The next prime is 42249461. The reversal of 42249453 is 35494224.

42249453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42249453 - 2¹⁷ = 42118381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42249253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11953 + ... + 15078.

It is an arithmetic number, because the mean of its divisors is an integer number (7055352).

Almost surely, 2^42249453 is an apocalyptic number.

It is an amenable number.

42249453 is a deficient number, since it is larger than the sum of its proper divisors (14193363).

42249453 is a wasteful number, since it uses less digits than its factorization.

42249453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27555.

The product of its digits is 34560, while the sum is 33.

The square root of 42249453 is about 6499.9579229407. The cubic root of 42249453 is about 348.2894853094.

The spelling of 42249453 in words is "forty-two million, two hundred forty-nine thousand, four hundred fifty-three".