90146835 has 24 divisors (see below), whose sum is σ = 165447360. Its totient is φ = 45249792.

The previous prime is 90146831. The next prime is 90146851. The reversal of 90146835 is 53864109.

It is not a de Polignac number, because 90146835 - 2² = 90146831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90146835.

It is not an unprimeable number, because it can be changed into a prime (90146831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58155 + ... + 59684.

It is an arithmetic number, because the mean of its divisors is an integer number (6893640).

Almost surely, 2^90146835 is an apocalyptic number.

90146835 is a deficient number, since it is larger than the sum of its proper divisors (75300525).

90146835 is a wasteful number, since it uses less digits than its factorization.

90146835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117867 (or 117864 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 90146835 is about 9494.5687105840. The cubic root of 90146835 is about 448.3840559642.

The spelling of 90146835 in words is "ninety million, one hundred forty-six thousand, eight hundred thirty-five".