90359145 has 60 divisors (see below), whose sum is σ = 167135364. Its totient is φ = 46699200.

The previous prime is 90359123. The next prime is 90359167. The reversal of 90359145 is 54195309.

It is an interprime number because it is at equal distance from previous prime (90359123) and next prime (90359167).

It can be written as a sum of positive squares in 2 ways, for example, as 64593369 + 25765776 = 8037^2 + 5076^2 .

It is not a de Polignac number, because 90359145 - 2⁹ = 90358633 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 894595 + ... + 894695.

Almost surely, 2^90359145 is an apocalyptic number.

It is an amenable number.

90359145 is a deficient number, since it is larger than the sum of its proper divisors (76776219).

90359145 is a wasteful number, since it uses less digits than its factorization.

90359145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 90359145 is about 9505.7427379453. The cubic root of 90359145 is about 448.7357850159.

The spelling of 90359145 in words is "ninety million, three hundred fifty-nine thousand, one hundred forty-five".