90545654 has 8 divisors (see below), whose sum is σ = 135881928. Its totient is φ = 45251680.

The previous prime is 90545599. The next prime is 90545683. The reversal of 90545654 is 45654509.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×90545654⁴ (a number of 33 digits) contains 4444 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4532 + ... + 14199.

It is an arithmetic number, because the mean of its divisors is an integer number (16985241).

Almost surely, 2^90545654 is an apocalyptic number.

90545654 is a deficient number, since it is larger than the sum of its proper divisors (45336274).

90545654 is a wasteful number, since it uses less digits than its factorization.

90545654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21150.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 90545654 is about 9515.5480136459. The cubic root of 90545654 is about 449.0443158426.

The spelling of 90545654 in words is "ninety million, five hundred forty-five thousand, six hundred fifty-four".