9142449 has 4 divisors (see below), whose sum is σ = 12189936. Its totient is φ = 6094964.

The previous prime is 9142429. The next prime is 9142499. The reversal of 9142449 is 9442419.

9142449 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 9142449 - 2⁷ = 9142321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9142429) 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, 1523739 + ... + 1523744.

It is an arithmetic number, because the mean of its divisors is an integer number (3047484).

Almost surely, 2^9142449 is an apocalyptic number.

It is an amenable number.

9142449 is a deficient number, since it is larger than the sum of its proper divisors (3047487).

9142449 is a wasteful number, since it uses less digits than its factorization.

9142449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3047486.

The product of its digits is 10368, while the sum is 33.

The square root of 9142449 is about 3023.6482930394. The cubic root of 9142449 is about 209.1000718847.

It can be divided in two parts, 9142 and 449, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 9142449 in words is "nine million, one hundred forty-two thousand, four hundred forty-nine".