90008141 has 4 divisors (see below), whose sum is σ = 93111900. Its totient is φ = 86904384.

The previous prime is 90008137. The next prime is 90008153. The reversal of 90008141 is 14180009.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14180009 = 227 ⋅62467.

It can be written as a sum of positive squares in 2 ways, for example, as 70392100 + 19616041 = 8390^2 + 4429^2 .

It is a cyclic number.

It is not a de Polignac number, because 90008141 - 2² = 90008137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90008341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1551836 + ... + 1551893.

It is an arithmetic number, because the mean of its divisors is an integer number (23277975).

Almost surely, 2^90008141 is an apocalyptic number.

It is an amenable number.

90008141 is a deficient number, since it is larger than the sum of its proper divisors (3103759).

90008141 is a wasteful number, since it uses less digits than its factorization.

90008141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103758.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 90008141 is about 9487.2620391765. The cubic root of 90008141 is about 448.1539865135.

The spelling of 90008141 in words is "ninety million, eight thousand, one hundred forty-one".