90248161 has 8 divisors (see below), whose sum is σ = 93312000. Its totient is φ = 87193920.

The previous prime is 90248117. The next prime is 90248167. The reversal of 90248161 is 16184209.

It is a happy number.

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 90248161 - 2⁷ = 90248033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90248167) 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, 20265 + ... + 24313.

It is an arithmetic number, because the mean of its divisors is an integer number (11664000).

Almost surely, 2^90248161 is an apocalyptic number.

It is an amenable number.

90248161 is a deficient number, since it is larger than the sum of its proper divisors (3063839).

90248161 is a wasteful number, since it uses less digits than its factorization.

90248161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4799.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 90248161 is about 9499.9032100332. The cubic root of 90248161 is about 448.5519892074.

It can be divided in two parts, 90248 and 161, that added together give a palindrome (90409).

The spelling of 90248161 in words is "ninety million, two hundred forty-eight thousand, one hundred sixty-one".