1442475406 has 8 divisors (see below), whose sum is σ = 2257787664. Its totient is φ = 689879520.

The previous prime is 1442475403. The next prime is 1442475409. The reversal of 1442475406 is 6045742441.

It is an interprime number because it is at equal distance from previous prime (1442475403) and next prime (1442475409).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442475403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15679035 + ... + 15679126.

It is an arithmetic number, because the mean of its divisors is an integer number (282223458).

Almost surely, 2^1442475406 is an apocalyptic number.

1442475406 is a deficient number, since it is larger than the sum of its proper divisors (815312258).

1442475406 is a wasteful number, since it uses less digits than its factorization.

1442475406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31358186.

The product of its (nonzero) digits is 107520, while the sum is 37.

The square root of 1442475406 is about 37979.9342548141. The cubic root of 1442475406 is about 1129.8899326317.

The spelling of 1442475406 in words is "one billion, four hundred forty-two million, four hundred seventy-five thousand, four hundred six".