90441242 has 8 divisors (see below), whose sum is σ = 135704916. Its totient is φ = 45206272.

The previous prime is 90441217. The next prime is 90441251. The reversal of 90441242 is 24214409.

It can be written as a sum of positive squares in 2 ways, for example, as 77774761 + 12666481 = 8819^2 + 3559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4508 + ... + 14184.

Almost surely, 2^90441242 is an apocalyptic number.

90441242 is a deficient number, since it is larger than the sum of its proper divisors (45263674).

90441242 is a wasteful number, since it uses less digits than its factorization.

90441242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14352.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 90441242 is about 9510.0600418714. The cubic root of 90441242 is about 448.8716454952.

The spelling of 90441242 in words is "ninety million, four hundred forty-one thousand, two hundred forty-two".