9145342 has 4 divisors (see below), whose sum is σ = 13718016. Its totient is φ = 4572670.

The previous prime is 9145333. The next prime is 9145349. The reversal of 9145342 is 2435419.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 9145342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9145349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2286334 + ... + 2286337.

It is an arithmetic number, because the mean of its divisors is an integer number (3429504).

Almost surely, 2^9145342 is an apocalyptic number.

9145342 is a deficient number, since it is larger than the sum of its proper divisors (4572674).

9145342 is a wasteful number, since it uses less digits than its factorization.

9145342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4572673.

The product of its digits is 4320, while the sum is 28.

The square root of 9145342 is about 3024.1266507870. The cubic root of 9145342 is about 209.1221251555.

The spelling of 9145342 in words is "nine million, one hundred forty-five thousand, three hundred forty-two".