42044453 has 4 divisors (see below), whose sum is σ = 45866688. Its totient is φ = 38222220.

The previous prime is 42044447. The next prime is 42044459. The reversal of 42044453 is 35444024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (42044447) and next prime (42044459).

It is a cyclic number.

It is not a de Polignac number, because 42044453 - 2⁶ = 42044389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42044459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1911101 + ... + 1911122.

It is an arithmetic number, because the mean of its divisors is an integer number (11466672).

Almost surely, 2^42044453 is an apocalyptic number.

It is an amenable number.

42044453 is a deficient number, since it is larger than the sum of its proper divisors (3822235).

42044453 is a wasteful number, since it uses less digits than its factorization.

42044453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3822234.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 42044453 is about 6484.1694148133. The cubic root of 42044453 is about 347.7252560201.

Adding to 42044453 its reverse (35444024), we get a palindrome (77488477).

The spelling of 42044453 in words is "forty-two million, forty-four thousand, four hundred fifty-three".