90113148 has 48 divisors (see below), whose sum is σ = 236533920. Its totient is φ = 30034800.

The previous prime is 90113087. The next prime is 90113159. The reversal of 90113148 is 84131109.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3598 + ... + 13898.

It is an arithmetic number, because the mean of its divisors is an integer number (4927790).

Almost surely, 2^90113148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90113148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118266960).

90113148 is an abundant number, since it is smaller than the sum of its proper divisors (146420772).

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

90113148 is a wasteful number, since it uses less digits than its factorization.

90113148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10326 (or 10306 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 90113148 is about 9492.7945305900. The cubic root of 90113148 is about 448.3281967445.

The spelling of 90113148 in words is "ninety million, one hundred thirteen thousand, one hundred forty-eight".