90146330 has 16 divisors (see below), whose sum is σ = 162379080. Its totient is φ = 36032832.

The previous prime is 90146311. The next prime is 90146333. The reversal of 90146330 is 3364109.

It can be written as a sum of positive squares in 4 ways, for example, as 83484769 + 6661561 = 9137^2 + 2581^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 90146330.

It is not an unprimeable number, because it can be changed into a prime (90146333) 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, 18512 + ... + 22868.

Almost surely, 2^90146330 is an apocalyptic number.

90146330 is a deficient number, since it is larger than the sum of its proper divisors (72232750).

90146330 is a wasteful number, since it uses less digits than its factorization.

90146330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6433.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 90146330 is about 9494.5421163951. The cubic root of 90146330 is about 448.3832186844.

The spelling of 90146330 in words is "ninety million, one hundred forty-six thousand, three hundred thirty".