9045520129 has 8 divisors (see below), whose sum is σ = 9301479488. Its totient is φ = 8790165360.

The previous prime is 9045520117. The next prime is 9045520151. The reversal of 9045520129 is 9210255409.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9045520129 - 2⁹ = 9045519617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9045520189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120717 + ... + 180730.

It is an arithmetic number, because the mean of its divisors is an integer number (1162684936).

Almost surely, 2^9045520129 is an apocalyptic number.

It is an amenable number.

9045520129 is a deficient number, since it is larger than the sum of its proper divisors (255959359).

9045520129 is a wasteful number, since it uses less digits than its factorization.

9045520129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302295.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 9045520129 is about 95107.9393583943. The cubic root of 9045520129 is about 2083.5848044408.

The spelling of 9045520129 in words is "nine billion, forty-five million, five hundred twenty thousand, one hundred twenty-nine".