91425150 has 216 divisors, whose sum is σ = 282083880. Its totient is φ = 21150720.

The previous prime is 91425143. The next prime is 91425151. The reversal of 91425150 is 5152419.

91425150 is a `hidden beast` number, since 9 + 142 + 515 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91425151) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 2470932 + ... + 2470968.

Almost surely, 2^91425150 is an apocalyptic number.

91425150 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 91425150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141041940).

91425150 is an abundant number, since it is smaller than the sum of its proper divisors (190658730).

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

91425150 is a wasteful number, since it uses less digits than its factorization.

91425150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 91425150 is about 9561.6499622189. The cubic root of 91425150 is about 450.4935325997.

Adding to 91425150 its reverse (5152419), we get a palindrome (96577569).

The spelling of 91425150 in words is "ninety-one million, four hundred twenty-five thousand, one hundred fifty".