9145090725 has 24 divisors (see below), whose sum is σ = 15127008000. Its totient is φ = 4875083520.

The previous prime is 9145090711. The next prime is 9145090739. The reversal of 9145090725 is 5270905419.

It is an interprime number because it is at equal distance from previous prime (9145090711) and next prime (9145090739).

It is not a de Polignac number, because 9145090725 - 2⁴ = 9145090709 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137901 + ... + 193149.

It is an arithmetic number, because the mean of its divisors is an integer number (630292000).

Almost surely, 2^9145090725 is an apocalyptic number.

It is an amenable number.

9145090725 is a deficient number, since it is larger than the sum of its proper divisors (5981917275).

9145090725 is a wasteful number, since it uses less digits than its factorization.

9145090725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57469 (or 57464 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 42.

The square root of 9145090725 is about 95629.9677141010. The cubic root of 9145090725 is about 2091.2020987655.

The spelling of 9145090725 in words is "nine billion, one hundred forty-five million, ninety thousand, seven hundred twenty-five".