9642545 has 16 divisors (see below), whose sum is σ = 12700800. Its totient is φ = 6969600.

The previous prime is 9642541. The next prime is 9642583. The reversal of 9642545 is 5452469.

It is a happy number.

It is not a de Polignac number, because 9642545 - 2² = 9642541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9642541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10505 + ... + 11385.

It is an arithmetic number, because the mean of its divisors is an integer number (793800).

Almost surely, 2^9642545 is an apocalyptic number.

It is an amenable number.

9642545 is a deficient number, since it is larger than the sum of its proper divisors (3058255).

9642545 is a wasteful number, since it uses less digits than its factorization.

9642545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096.

The product of its digits is 43200, while the sum is 35.

The square root of 9642545 is about 3105.2447568590. The cubic root of 9642545 is about 212.8452151198.

The spelling of 9642545 in words is "nine million, six hundred forty-two thousand, five hundred forty-five".