9090154 has 4 divisors (see below), whose sum is σ = 13635234. Its totient is φ = 4545076.

The previous prime is 9090139. The next prime is 9090173. The reversal of 9090154 is 4510909.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6640929 + 2449225 = 2577^2 + 1565^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272537 + ... + 2272540.

Almost surely, 2^9090154 is an apocalyptic number.

9090154 is a deficient number, since it is larger than the sum of its proper divisors (4545080).

9090154 is a wasteful number, since it uses less digits than its factorization.

9090154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545079.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 9090154 is about 3014.9882255160. The cubic root of 9090154 is about 208.7006236977.

The spelling of 9090154 in words is "nine million, ninety thousand, one hundred fifty-four".