9145740 has 24 divisors (see below), whose sum is σ = 25608240. Its totient is φ = 2438848.

The previous prime is 9145739. The next prime is 9145753. The reversal of 9145740 is 475419.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 9145698 and 9145707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76155 + ... + 76274.

It is an arithmetic number, because the mean of its divisors is an integer number (1067010).

Almost surely, 2^9145740 is an apocalyptic number.

It is an amenable number.

9145740 is an abundant number, since it is smaller than the sum of its proper divisors (16462500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9145740 is a wasteful number, since it uses less digits than its factorization.

9145740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152441 (or 152439 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 9145740 is about 3024.1924541934. The cubic root of 9145740 is about 209.1251587362.

The spelling of 9145740 in words is "nine million, one hundred forty-five thousand, seven hundred forty".