90146601 has 10 divisors (see below), whose sum is σ = 134663562. Its totient is φ = 60097680.

The previous prime is 90146599. The next prime is 90146629. The reversal of 90146601 is 10664109.

It can be written as a sum of positive squares in only one way, i.e., 59907600 + 30239001 = 7740^2 + 5499^2 .

It is not a de Polignac number, because 90146601 - 2¹ = 90146599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (90146681) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 556380 + ... + 556541.

Almost surely, 2^90146601 is an apocalyptic number.

It is an amenable number.

90146601 is a deficient number, since it is larger than the sum of its proper divisors (44516961).

90146601 is a wasteful number, since it uses less digits than its factorization.

90146601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112933 (or 1112924 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 90146601 is about 9494.5563877413. The cubic root of 90146601 is about 448.3836679973.

The spelling of 90146601 in words is "ninety million, one hundred forty-six thousand, six hundred one".