90125445 has 8 divisors (see below), whose sum is σ = 144200736. Its totient is φ = 48066896.

The previous prime is 90125443. The next prime is 90125447. The reversal of 90125445 is 54452109.

It is an interprime number because it is at equal distance from previous prime (90125443) and next prime (90125447).

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 90125445 - 2¹ = 90125443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90125443) 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, 3004167 + ... + 3004196.

It is an arithmetic number, because the mean of its divisors is an integer number (18025092).

Almost surely, 2^90125445 is an apocalyptic number.

It is an amenable number.

90125445 is a deficient number, since it is larger than the sum of its proper divisors (54075291).

90125445 is a wasteful number, since it uses less digits than its factorization.

90125445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6008371.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 90125445 is about 9493.4422102839. The cubic root of 90125445 is about 448.3485890373.

The spelling of 90125445 in words is "ninety million, one hundred twenty-five thousand, four hundred forty-five".