9131045 has 32 divisors (see below), whose sum is σ = 14052096. Its totient is φ = 5529600.

The previous prime is 9131041. The next prime is 9131117. The reversal of 9131045 is 5401319.

It is a happy number.

It is not a de Polignac number, because 9131045 - 2² = 9131041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9131045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9131041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13925 + ... + 14565.

It is an arithmetic number, because the mean of its divisors is an integer number (439128).

Almost surely, 2^9131045 is an apocalyptic number.

It is an amenable number.

9131045 is a deficient number, since it is larger than the sum of its proper divisors (4921051).

9131045 is a wasteful number, since it uses less digits than its factorization.

9131045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 9131045 is about 3021.7619032611. The cubic root of 9131045 is about 209.0130941179.

The spelling of 9131045 in words is "nine million, one hundred thirty-one thousand, forty-five".