90421150 has 24 divisors (see below), whose sum is σ = 168437880. Its totient is φ = 36113760.

The previous prime is 90421139. The next prime is 90421157. The reversal of 90421150 is 5112409.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90421157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55041 + ... + 56659.

It is an arithmetic number, because the mean of its divisors is an integer number (7018245).

Almost surely, 2^90421150 is an apocalyptic number.

90421150 is a deficient number, since it is larger than the sum of its proper divisors (78016730).

90421150 is a wasteful number, since it uses less digits than its factorization.

90421150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748 (or 2743 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 90421150 is about 9509.0036281411. The cubic root of 90421150 is about 448.8384032972.

Adding to 90421150 its reverse (5112409), we get a palindrome (95533559).

The spelling of 90421150 in words is "ninety million, four hundred twenty-one thousand, one hundred fifty".