90141888 has 56 divisors (see below), whose sum is σ = 252538992. Its totient is φ = 28278784.

The previous prime is 90141859. The next prime is 90141937. The reversal of 90141888 is 88814109.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10545 + ... + 17072.

Almost surely, 2^90141888 is an apocalyptic number.

It is an amenable number.

90141888 is an abundant number, since it is smaller than the sum of its proper divisors (162397104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90141888 is a wasteful number, since it uses less digits than its factorization.

90141888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27649 (or 27639 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 39.

The square root of 90141888 is about 9494.3081896471. The cubic root of 90141888 is about 448.3758538034.

The spelling of 90141888 in words is "ninety million, one hundred forty-one thousand, eight hundred eighty-eight".